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Lancet. 2008 January 26; 371(9609): 340–357.
PMCID: PMC2258311

Maternal and child undernutrition: consequences for adult health and human capital

Cesar G Victora,a,* Linda Adair,e Caroline Fall,b Pedro C Hallal,a Reynaldo Martorell,d Linda Richter,f Harshpal Singh Sachdev,c and for the Maternal and Child Undernutrition Study Group


In this paper we review the associations between maternal and child undernutrition with human capital and risk of adult diseases in low-income and middle-income countries. We analysed data from five long-standing prospective cohort studies from Brazil, Guatemala, India, the Philippines, and South Africa and noted that indices of maternal and child undernutrition (maternal height, birthweight, intrauterine growth restriction, and weight, height, and body-mass index at 2 years according to the new WHO growth standards) were related to adult outcomes (height, schooling, income or assets, offspring birthweight, body-mass index, glucose concentrations, blood pressure). We undertook systematic reviews of studies from low-income and middle-income countries for these outcomes and for indicators related to blood lipids, cardiovascular disease, lung and immune function, cancers, osteoporosis, and mental illness. Undernutrition was strongly associated, both in the review of published work and in new analyses, with shorter adult height, less schooling, reduced economic productivity, and—for women—lower offspring birthweight. Associations with adult disease indicators were not so clear-cut. Increased size at birth and in childhood were positively associated with adult body-mass index and to a lesser extent with blood pressure values, but not with blood glucose concentrations. In our new analyses and in published work, lower birthweight and undernutrition in childhood were risk factors for high glucose concentrations, blood pressure, and harmful lipid profiles once adult body-mass index and height were adjusted for, suggesting that rapid postnatal weight gain—especially after infancy—is linked to these conditions. The review of published works indicates that there is insufficient information about long-term changes in immune function, blood lipids, or osteoporosis indicators. Birthweight is positively associated with lung function and with the incidence of some cancers, and undernutrition could be associated with mental illness. We noted that height-for-age at 2 years was the best predictor of human capital and that undernutrition is associated with lower human capital. We conclude that damage suffered in early life leads to permanent impairment, and might also affect future generations. Its prevention will probably bring about important health, educational, and economic benefits. Chronic diseases are especially common in undernourished children who experience rapid weight gain after infancy.

This is the second in a Series of five papers about maternal and child undernutrition


This is the second article in the Lancet Series on maternal and child undernutrition. The previous article emphasised the magnitude of the problem and its short-term consequences in low-income and middle-income countries.1 In this paper we address the potential long-term implications of undernutrition.

We start with an assessment of the long-term effects of undernutrition on adult human capital, including height, school achievement, economic productivity, and birthweight of the offspring. We then discuss the relevance to low-income and middle-income countries of the hypothesis on developmental origins of health and disease2—namely, that early growth patterns might have long-term effects on risk of development of chronic diseases.3 Although these issues are still debated,4,5 published work from high-income countries suggests that intrauterine growth restriction, especially when followed by excessive weight gain in childhood, is associated with increased risk of several chronic diseases. Studies of the developmental origins of adult disease in low-income and middle-income countries are particularly important because adults were born when rates of undernutrition were high and have had to adapt to rapidly changing postnatal diets and environments.

As researchers involved in large cohort studies entailing the long-term follow-up of children born in low-income and middle-income countries, we present a systematic review of published work on the long-term effects of malnutrition, and new analyses of data from cohorts followed up from birth into late adolescence or adult age in Brazil, Guatemala, India, the Philippines, and South Africa.

Key messages

Poor fetal growth or stunting in the first 2 years of life leads to irreversible damage, including shorter adult height, lower attained schooling, reduced adult income, and decreased offspring birthweight
Children who are undernourished in the first 2 years of life and who put on weight rapidly later in childhood and in adolescence are at high risk of chronic diseases related to nutrition
There is no evidence that rapid weight or length gain in the first 2 years of life increases the risk of chronic disease, even in children with poor fetal growth
The prevention of maternal and child undernutrition is a long-term investment that will benefit the present generation and their children

New data analyses

The new analyses presented here are based on the cohorts in Brazil,6 Guatemala,7,8 India,9,10 the Philippines,11 and South Africa12 (table 1). Panel 1 shows the exposures that were assessed. Outcomes were measured in late adolescence in South Africa and in adulthood in the other sites (table 1), and will be referred to as adult outcomes (panel 1).

Table 1
Basic characteristics of the five cohort studies included in the new analyses

Panel 1

Exposure variables and adult outcomes that were assessed

Exposure variables

Maternal height (cm): measured by the study teams during pregnancy or soon after delivery. No data were available for India
Birthweight (kg): measured by the research teams except in South Africa where they were obtained from reliable birth records.13 In Cebu (the Philippines), data for birthweight include interviewer-measured data (60%) and hospital records
Intrauterine growth restriction: gestational age was calculated from the date of the last menstrual period except in Cebu, in which the Ballard scores14 were used for all infants with low birthweight or whose mothers had pregnancy complications. Intrauterine growth restriction was defined as a birthweight for gestational age below the tenth percentile of the sex-specific Williams reference curves15
Height-for-age or length-for-age (Z scores): children were measured by the research teams at around 2 years of age, and their height (in South Africa) or recumbent length (other sites) were converted into Z scores with the WHO Growth Standards.16 Stunting was defined as being less than the Z score cutoff of −2
Weight-for-age and body-mass-index-for-age (Z scores): defined as above. Underweight and wasting were defined by the Z score cutoff of −2

Adult and adolescent outcomes

Height (cm): measured by the study teams
Achieved schooling/education (years): number of years completed with approval
Income or assets: personal income was measured in local currency in Brazil and Guatemala and expressed in US dollars. Individuals with no income—mostly young adults living with their families or housewives (36% in Brazil and 13% in Guatemala)—were excluded from the analyses. Data from the Philippines and Soweto (South Africa) were not included because few adolescents had independent incomes. In India, household assets were recorded
Offspring birthweight (g): In Brazil and India, data were obtained from birth records or if unavailable by maternal recall; measured by the research team in Guatemala; and by maternal recall in the Philippines
Body-mass index (kg/m2): measured by the study teams
Blood glucose concentration (mmol/L): fasting glucose concentrations were measured in Guatemala and the Philippines. In Brazil, only non-fasting concentrations were available. In India, fasting concentrations and 120-min results from glucose tolerance tests were obtained. This information is not yet available for South Africa. To correct for the skewed distribution in some sites, we used a natural logarithmic transformation
Systolic blood pressure (mm Hg): measured by the research team in all sites. In Brazil, South Africa, and India, we used the average of two values taken on the same day. In the Philippines and Guatemala, three measures were averaged

Potential confounding variables included the participant's age when the outcome variables were measured, years of schooling completed by the mother (in India, by the father), and a measure of early childhood socioeconomic status. In India, occupation of the father was classified in an ordinal six-point scale, whereas in the other sites wealth quintiles were calculated through principal component analysis of household assets.

Unless otherwise stated, we present only confounder-adjusted estimates. For glucose concentrations and blood pressure, further analyses incorporated control for adult height and body-mass index, which are potential mediating factors in the association between undernutrition and adult outcomes. Such adjustment is commonly used in published work and might help understand the role of later growth. All analyses were stratified by sex.

In every analysis, we included only participants with full information in the exposure, outcome, confounding, and stratification variables. With the exception of the dichotomous variable for intrauterine growth restriction, all other exposures were initially coded in four categories and tested for linearity with analysis of variance. Because there was no consistent evidence of non-linearity, we used multiple linear regression analyses.

Results from the five studies were combined with a meta-analytic procedure that included examination of heterogeneity with use of the Q test;17 if results were significant, we used a random-effects model.18


We have organised our results according to the 14 outcomes studied. For every outcome, we considered maternal size and nutrition, newborn infant size, infant and child size, and growth. For eight outcomes, new information is provided from our cohorts. Table 2 shows descriptive statistics for exposure and outcome variables by study site. Brazil tended to show the lowest prevalence of undernutrition, and Guatemala the highest. Birthweight was lowest and intrauterine growth restriction highest in India. When adult outcomes are compared, it should be noted that South African participants are still in their late teens.

Table 2
Exposure and outcome variables, by study site and sex


Attained height is affected by genetic and environmental factors throughout the growth period. Linear growth failure is largely confined to the intrauterine period and the first few years of life, and is caused by inadequate diets and frequent infections.19

Short stature of the mother and poor maternal nutrition stores are associated with increased risk of intrauterine growth retardation.1,20 Several studies from low-income and middle-income countries report that adult height is positively associated with birthweight9,21–24 and length.9,21,23 A 1 cm increase in birthlength is associated with a 0·7–1 cm increase in adult height.9,21–24

Early growth failure will lead to reduced adult stature unless there is compensatory growth (so-called catch-up growth) in childhood, which is partly dependent on the extent of maturational delay that lengthens the period of growth. Because maturational delays in low-income and middle-income countries are usually shorter than 2 years,25 only a small part of the growth failure is compensated for. In Guatemala,26 there was little evidence of catch-up growth after 3 years of age but in Senegal, where maturational delays were substantial, adults heights were only about 2 cm shorter than the reference despite severe stunting in childhood.27 In both countries, differences in height between stunted and non-stunted children younger than 5 years remained largely unchanged into adulthood. People who remain in the setting in which they developed childhood undernutrition tend to become short adults.9,24,25 Improvements in living conditions such as those brought on through adoption can trigger catch-up growth but do so more effectively in very young children.25,28

Data from Guatemala suggest that the contributions of the intrauterine and early postnatal period to reduced adult stature are about equal.29 Because nutrition interventions during pregnancy and early life reduce stunting,26,30 these interventions might be expected to lead to increased adult stature.31

Analyses of height data from our five cohorts are shown in webtables 1a and b and webfigures 1a–f, and are summarised in table 3.

Table 3
Summary of the pooled adjusted results from the five cohort studies: height, schooling, income/assets, offspring birthweight, body-mass index, blood pressure, and glucose concentration

Crude and adjusted results were much the same (webtables 1a and b). Every 1 cm of maternal height was associated with an increase of about 0·5 cm in adult offspring; the only outliers were male adolescents from South Africa, who had not yet attained adult height, which possibly attenuated the association (coefficient 0·16 cm). Highly consistent cross-site effects were noted for birthweight (3·3 cm per kg), intrauterine growth restriction (2·2 cm shorter), weight-for-age at 2 years (2·7 cm per Z score), and height-for-age at 2 years (3·2 cm per Z score). When effect sizes are compared, it is noteworthy that the standard deviation for birthweight is roughly 500 g (table 2), so that a difference of 1 kg is quite large. The association with body-mass-index-for-age at 2 years was much weaker (0·2 cm per Z score) and—for reasons that are unclear—varied substantially among countries, with Guatemala showing a negative coefficient.

Pooled results for all exposures are shown in the webfigures, and those for height-for-age in figure 1. Figure 2 shows the corresponding categorical analyses. There is remarkable similarity across studies, and between males and females. 1 Z score of length-for-age or height-for-age at 2 years equals 3·1 cm for boys and 3·2 cm for girls. Because the adult height difference associated with a difference of 1 Z score at 2 years is also 3·2 cm, our results suggest that differences observed in the first 2 years will on average remain until adulthood. This finding is consistent with studies on the secular trend in increasing height recorded in all societies as child undernutrition is reduced.32

Figure 1
Forest plot for effect of height-for-age at 2 years on height
Figure 2
Attained height according to height-for-age at 2 years in the five cohorts, for males (A) and females (B)

Achieved schooling and educational performance

Undernutrition can affect cognitive development by causing direct structural damage to the brain and by impairing infant motor development33 and exploratory behaviour.34 Long-term effects can arise through structural and functional adaptation; the persistence of early deficits, partly because of the absence of opportunities for remediation in deprived environments; and by altering the way in which individuals deal with learning.35

Birthweight is positively associated with cognitive skills in children, but the effect of environmental factors weakens this association over time.36 A review of studies from high-income countries—nine investigating adolescent outcomes and six adult outcomes—showed that intrauterine growth restriction had little or no measurable effect on cognitive performance.37

Studies from Guatemala38,39 and Zimbabwe40 report long-term associations between early child growth and education. In Guatemala, height and head circumference at 2 years (but not birthsize) were inversely associated with educational achievement in adult women.29 In Cebu, stunting at 2 years was associated with delayed school entry, greater grade repetition and dropout rates, decreased graduation rates from primary and secondary school, and lower school performance.41 In Guatemala, food supplementation during early childhood improved schooling in women by 1·2 years, and tests scores in men and women.42 In Zimbabwe, a difference of 3·4 cm in height-for-age at 3 years was associated with almost an additional grade of achieved schooling.40

Although there are few follow-up studies from childhood to adult age, substantial evidence suggests an association between stunting and present or later cognitive ability or school performance in children from low-income and middle-income countries. Of 18 cross-sectional studies reviewed, only three did not report significant associations with height-for-age. Excluding studies of children admitted for severe malnutrition, four of five longitudinal studies report that height-for-age predicts school or cognitive test performance in later life. A re-analysis of longitudinal data from the Philippines, Jamaica, Peru, and Indonesia, together with new data from Brazil and South Africa, showed that stunting between 12 and 36 months of age predicted poorer cognitive performance and/or lower school grades attained in middle childhood.43

Analyses of attained schooling are shown in webtables 2a and b and webfigures 2a–f, and summarised in table 3. Data from South Africa were not included in the pooled estimates because most 15-year-old children were still at school. Almost all undernutrition indicators were associated with lower educational achievement.

In several analyses (webtables 2a and b), adjustment for confounding reduced the magnitude of the crude effects. After adjustment, the strongest positive predictors of schooling were height-for-age (about 0·50 years of schooling per Z score; figure 3) and weight-for-age (0·52 years per Z score). For birthweight, every 1 kg (roughly 2 Z scores) was associated with an additional 0·30 years of schooling. Intrauterine growth restriction showed an inverse association, whereas associations with child body-mass-index-for-age and maternal height were much weaker. These results are consistent with recent analyses.43,44

Figure 3
Forest plot for effect of height-for-age at 2 years on attained schooling

Income and assets

Poverty is both a cause and an outcome of poor human development, and investments in child nutrition are being promoted as a strategy for economic development.40,45–47 Better child nutrition improves cognition and schooling, as discussed. It can also affect adult earnings through reduced lean body mass (including shorter height) and decreased productivity in jobs requiring manual labour. In the Guatemala trial, the nutrition intervention led to increased body size and improved work capacity.31,48

These indicators of physical and intellectual human capital, in turn, have been associated with increased earnings. Adult height is positively associated with income, even in urban settings and even after adjustment for education.49 The economic returns to schooling are substantial; for central America, 1 additional year of schooling is associated with 12–14% increased lifetime earnings,50 and much the same effects were estimated in Brazil.51 Exposure to famine in early life in China was associated with shorter stature and lower incomes.52 Exposure to improved nutrition before, but not after, 3 years of age was associated with higher hourly wages in Guatemalan men. For exposure from 0 to 2 years, the increase was US$0·67 per h (95% CI 0·16–1·17), which equates to a 46% increase in average wages.53

The only study showing a direct association between growth in infancy and adult income was undertaken in a high-income country, Finland.54 Data for adult income levels are available for Brazil and Guatemala, and for household assets from India (webtable 3). We made no attempt to do pooled analyses. Individuals from Brazil and Guatemala who had no independent income were excluded, but similar results were obtained when they were included.

Income levels were much the same in Guatemala and Brazil, although the cohort in Brazil was just entering the labour market (table 2). Confounder adjustment led in most cases to reduced effect estimates (webtables 3a and b). Most indicators of undernutrition were associated with lower income in Brazil and fewer assets in India, but in Guatemala few associations were significant. The most consistent results for men were for height-for-age: 1 Z score was associated with an 8% increase in income in Brazil (p<0·0001) and Guatemala (p=0·07), as well as with an increase of 0·27 household assets in India (p<0·0001). Associations with weight were less consistent.

Salaries were substantially lower for women than for men (table 2). The only significant associations for women were between height-for-age and income in both Brazil and Guatemala (8% and 25%, respectively), and with number of assets in India. In Brazil and India, there were also positive associations with weight-for-age. Body-mass index was not associated with income or assets in any of the three countries.

Birthweight in the next generation

Maternal bodysize is strongly associated with size of newborn children.55 As shown above, undernourished girls tend to become short adults, and thus are more likely to have small children. However, evidence from low-income and middle-income countries for the intergenerational effects of undernutrition is scarce.

Ramakrishnan and colleagues56 have shown that for every 100 g increase in maternal birthweight, her child's birthweight increased by 10–20 g, but studies were primarily undertaken in high-income countries. In Guatemala, birthweight rose by 29 g per 100 g increase in maternal birthweight, and birthlength rose by 0·2 cm for every 1 cm increase in mother's birthlength.56 In India, maternal birthweight is a strong predictor of offspring birthweight, even after adjustment for maternal adult size.20

In Guatemala, weight and height were assessed in children younger than 3 years whose mothers participated in the nutrition supplementation trial as children.57 Children born to women who had received a protein-energy supplement were on average 0·8 cm taller (95% CI 0·16–1·44) than were those whose mothers received a low-energy supplement.

Data for birthweight of firstborn offspring were available for all sites except South Africa (webtable 4, figure 4, and table 3). Undernutrition was associated with lower birthweight in the next generation. Adjustment for confounding led to reductions of about 10–20% in the crude effect sizes. Every 1 kg of birthweight was associated with a 208 g increase in offspring birthweight, roughly to 100 g per Z score of maternal birthweight. Maternal intrauterine growth restriction was associated with a pooled reduction of 127 g, and both weight-for-age and height-for-age—but not body-mass-index-for-age—were associated with increases of about 70–80 g per Z score (figure 5). There was a small association between maternal height and birthweight of their grandchildren.

Figure 4
Forest plot for effect of height-for-age at 2 years on offspring birthweight (females only)
Figure 5
Forest plot for effect of height-for-age at 2 years on body-mass index

Body-mass index, body composition, and obesity

Maternal nutritional status during pregnancy can affect offspring bodysize and composition by production of long-term deficits in fetal lean body mass,58 altering sensitivity of the hypothalamic-pituitary-adrenal axis59 which affects appetite and physical activity,60,61 or through the action of specific components of the maternal diet on gene expression.62,63

Four studies from low-income and middle-income countries showed that impaired fetal nutrition results primarily in long-term deficits in lean rather than in fat mass.64 In New Delhi (India)9 and Guatemala,29 birthweight was positively related to adult lean mass in both men and women, but with fat mass or sum of skinfolds9 only in women. Birthlength was positively related to adult lean mass and sum of skinfolds (Indian men and women), fat mass (Guatemalan men and women), fat-free mass (Guatemalan men), and percentage of body fat (Guatemalan women). In Brazil, birthweight was associated with lean mass in 18-year-old men.65 In Shanghai adults, waist circumference was higher in those who weighed less than 2·5 kg or more than 3·5 kg than it was in those in the middle of the distribution.66 This bimodal distribution is consistent with two different pathways—undernutrition and maternal obesity or gestational diabetes affecting the risk of bigger babies,67,68 which is not part of this review.

There are few data for associations between birthweight and fat distribution. A review of evidence mainly from European studies reports that with adjustment for adult body-mass index, lower birthweight relates to central adiposity represented by the subscapular to triceps skinfold ratio and in some cases, waist to hip ratio.64 In men and women from New Delhi9 and in men from Cebu,21 birthweight and birthlength were inversely related to skinfold ratio. In adults from New Delhi, birthweight was not associated with the waist to hip ratio, but by contrast, birthweight was positively associated with adult waist to hip ratio in women from Guatemala.9,29

Recent reviews of how infant size and growth relate to later risk of obesity69–71 focused on heavy rather than undernourished children, and included very few studies of adults or people from low-income and middle-income countries. In nearly all studies, larger size and growth rates were directly associated with increased risk of obesity in later life. By contrast, linear growth retardation in the first 2 years of life is associated with lower lean body mass in adulthood. In Guatemala, a difference of 1 standard deviation in length at 2 years of age was associated with an effect size of nearly 0·5 standard deviations for adult fat-free mass.29 In Delhi, body-mass index gain in infancy was more strongly associated with adult lean than fat mass.9 However, in Brazil weight gain in the first 2 years of life was associated with lean mass in 18-year-old men, whereas later weight gain was more strongly associated with fat mass.65

Early childhood stunting was associated with lower adult body-mass index but greater central adiposity in Guatemalan adults after adjustment for overall fatness and confounders.72 However, previous stunting was not associated with total or central adiposity in adults from New Delhi9 or in Jamaican 17–18-year-olds.73

Webtables 5a and b, figure 5, and webfigures 3a–f show analyses of body-mass index, and table 3 provides a summary. Crude and adjusted results were much the same. There was an inverse association with intrauterine growth restriction and no association with maternal height. Adult body-mass index was strongly and positively associated with birthweight, weight-for-age, and body-mass index at 2 years of age, and less strongly associated with height-for-age (figure 5). Guatemalan men showed a different pattern for most exposures.

Blood lipids

Intrauterine malnutrition and early life growth patterns can result in metabolic and physiological programming, with lifelong effects on the risk of cardiovascular disease. Unhealthy lipid profiles can be a potential mechanism underlying these associations,74 and animal studies have supported this notion.75 Changes in liver microstructure can mediate this effect.76

Three systematic reviews on newborn size and lipid concentrations are available from high-income countries.77–79 The most recent study79 reported a pooled estimate of −1·39 mg/L total cholesterol (95% CI −1·81 to −0·97 mg) per kg of birthweight. Stronger associations were noted in small studies and in infancy. Several studies reported fractions and triglycerides, but most of these associations were null and, as for total cholesterol, inverse associations were most common in small studies.79 Abdominal circumference, showing liver size, could be a better predictor of adult lipid concentrations than could birthweight,74 but data for this association are scarce.

Five studies from low-income and middle-income countries are available. In South Africa, intrauterine growth restriction was not associated with lipid concentrations at 20 years of age.80 In people aged 45 years from Beijing, low birthweight was related to raised triglycerides and reduced HDL cholesterol, after adjustment for sex and adult body-mass index.81 In Guatemala, birthweight was not associated with serum lipids at 24 years of age; in men, there were inverse trends with total cholesterol and LDL cholesterol, with borderline significance.82 A Gambian study83 assessed lipid concentrations in men (mean age 36 years) born in the season of nutritional deprivation (known as the hungry season) and in the harvest seasons, and reported no differences in total, HDL, or LDL cholesterol, or triglycerides. In Brazil, birthweight was not associated with total cholesterol, its fractions, or triglycerides, in 18-year-old men (Horta BL, Universidade Federal de Pelotas, personal communication).

The reviews have shown that adjustment for adult nutritional status increased the negative association of birthweight and lipids, suggesting that postnatal growth plays an important part.84 The Brazilian study noted no association with birthweight, but rapid weight gain between 2 and 4 years was associated with increased concentrations of VLDL cholesterol and triglycerides at age 18 years (Horta BL, personal communication). However, the only randomised trial—from Guatemala—did not accord with this finding; children supplemented in utero or up to 36 months of age had lower triglycerides and higher HDL cholesterol (men only) in adulthood. Improved nutrition at any age before 7 years was not associated with total or LDL cholesterol.85 Specific components of the young child's diet, such as breastmilk, might have a role.86

Insulin resistance and type 2 diabetes

Type 2 diabetes results from a combination of insulin resistance and insulin secretory failure. The so-called thrifty phenotype hypothesis87 proposed that undernourished fetuses and infants make changes (reduced lean-tissue growth and insulin sensitivity, up-regulation of the cortisol axis, and impaired pancreatic development) that cause diabetes in later life. There is strong evidence from animals that maternal dietary deprivation leads to diabetes and insulin resistance in offspring.60,88,89

Published work shows inconsistent evidence for the effect of maternal size and nutrition on insulin resistance and type 2 diabetes. Poorer glucose tolerance was associated with higher maternal weight in India90 but lower maternal body-mass index in China.81 Fasting glucose was unrelated to maternal size or nutritional supplementation in the Guatemala trial,39,82,85 or to season of birth in The Gambia.83

All studies from high-income countries show associations of lower birthweight with later type 2 diabetes and insulin resistance.22,91 The risk is greatest for people who became obese, and adjustment for adult body-mass index consistently strengthens the association with low birthweight, suggesting an important effect of weight gain in later life. There is an increased risk of diabetes associated with very high birthweight,22,92 which has been linked to maternal diabetes in pregnancy. Three studies from low-income and middle-income countries (all adjusting for adult weight) showed higher glucose concentrations in people with lower birthweight,10,80,81 whereas the two studies that did not adjust showed no associations.82,93 In four studies of diabetes and impaired glucose tolerance, one (Mysore, India) showed a positive association with ponderal index at birth,90 one (Delhi, India) showed no association with birth size,10 one (China) showed an association with low birthweight,66 and one (South Africa, adjusted for adult size) showed a higher prevalence in small for gestational age births.80 Three studies81,90,91 (all adjusting for adult size) showed inverse associations between birthweight and insulin resistance, whereas two without adjustment showed no relation.80,93 Three studies recorded no associations between birth size and insulin secretion.80,90,94

Two studies in high-income countries showed an increased risk of diabetes in people who had low weight in infancy.95 In studies in low-income and middle-income countries, fasting insulin was positively related to 18-month weight in The Gambia, but there was no association between 18-month weight and fasting glucose.83 In Delhi, India, diabetes and impaired glucose tolerance were associated with low weight at 1 and 2 years of age (adjusted for adult body-mass index).10 This study showed a strong association of accelerated body-mass index gain in childhood, after infancy, with diabetes and impaired glucose tolerance. In the Guatemala trial, supplementation during infancy was associated with a small reduction in adult fasting glucose concentration.85

Concentrations of fasting blood glucose were available in Guatemala and the Philippines; in Brazil, we obtained a random glucose measurement, and measured fasting and 120-min concentrations from a glucose tolerance test in Delhi. Because the random measurements in Brazil were close to fasting levels in the other sites (table 2), the pooled analyses included the four sites.

Results are expressed in natural log scale (webtables 6a and b, figure 6, and table 3). Adjustment for socioeconomic confounders, age, and skin colour (in Brazil and South Africa only) did not produce consistent changes in effect sizes. None of the pooled adjusted estimates was significant but after additional adjustment for adult body-mass index and height, birthweight, weight-for-age, and body-mass- index-for-age at 2 years showed significant inverse associations with blood glucose concentrations (table 3).

Figure 6
Forest plot for effect of height-for-age at 2 years on glucose concentration

Blood pressure

Animal studies provide strong evidence that blood pressure is raised in offspring of mothers who are exposed to diet restriction during pregnancy. Inadequate nutrition is postulated to reduce the size and number of nephrons, thereby restricting adult renal functional capacity.96–98 Early nutrition can also affect the renin-angiotensin system,99,100 exposure to glucocorticoids,101 and arterial distensibility,102,103 and it has indirect effects on blood pressure through body composition.

Evidence for an association of maternal diet during pregnancy with raised blood pressure in later life is sparse. An effect of macronutrient imbalance is suggested in European cohorts104–106 and in one study of adolescents in low-income and middle-income countries,107 but results differ. Maternal calcium supplementation can reduce offspring blood pressure, as shown in a trial in Argentina.108 Low maternal fat stores or inadequate pregnancy weight gain is related to elevated offspring blood pressure in Jamaican children109,110 and Filipino adolescents,107 but there is little evidence for adults in low-income and middle-income countries.

Many reviews and meta-analyses relate birthweight to adult blood pressure.4,111–116 Across a wide range of birthweights, most studies report an inverse association of birthweight to systolic blood pressure and hypertension prevalence in later life as well as weaker, less consistent inverse associations with diastolic blood pressure. Effects can amplify with age.117 Large studies tend to find less significant effects than do small studies.113 The association of birthweight with later blood pressure strengthens when adjusted for adult body-mass index, suggesting a role for postnatal growth.4,84,118,119 Individuals at highest risk are those with intrauterine growth restriction but a high body-mass index in adulthood. A study of blood pressure in adults from Shanghai showed a U-shaped relation with birth weight, emphasising the importance of examining non-linear relations.66

In Beijing adults,81 an increase of 1 kg in birthweight was associated with −2·9 mm Hg systolic and −1·7 mm Hg diastolic blood pressure after adjustment for adult body-mass index. Much the same findings were reported for Australian Aboriginals.120 By contrast, studies from India93,121 and Guatemala82 showed no inverse relation of birthweight to adult blood pressure. In India, birthlength was positively associated with adult systolic blood pressure and left ventricular mass,121 and in the Guatemala trial birthweight was positively associated with systolic and diastolic blood pressure in the daughters, but not sons, of women taking nutrition supplements.82

A systematic review of 23 studies recorded a positive association between rapid postnatal growth or weight gain and later blood pressure, but no studies included adults in low-income and middle-income countries.113 The timing of compensatory growth is important. There is no evidence that rapid infant weight gain increases adult blood pressure. Conversely, adults in Hong Kong with large increases in ponderal index during infancy had lower blood pressure,122 and male Filipino adolescents with higher weight and height velocity in infancy had decreased risk of high blood pressure.123

In our new analyses, data for systolic and diastolic blood pressure were available for all five cohorts. Because both sets of results were almost identical, we present only those for systolic blood pressure. Except for South Africa, adjustment for confounders other than adult body-mass index and height did not produce substantial changes in the effect estimates (webtables 7a and b, figure 7). The adjusted results differed across sites. In the pooled analyses, weight, height, and body-mass-index-for-age at 2 years were positively associated with systolic blood pressure.

Figure 7
Forest plot for effect of height-for-age at 2 years on systolic blood pressure

Further adjustment for adult body-mass index and height led to important changes in the coefficients for birthweight (table 3), which became negative in most countries. This pattern was also noted, albeit to a lesser extent, for anthropometric indices measured at 2 years, especially weight-for-age and body-mass-index-for-age.

Cardiovascular disease

The possible biological mechanisms underlying associations between undernutrition and cardiovascular disease are similar to those involved in the aetiology of high blood pressure, lipids, and diabetes.

Several studies in high-income countries have shown that birthweight is inversely associated with the risk of coronary heart disease124 and stroke.125–127 The hazard ratio for coronary heart disease in the Helsinki cohort study was 3·63 in men who weighed less than 2·5 kg at birth compared with those weighing more than 4·0 kg. Lower birthweight has also been associated with increased carotid intima media thickness, reduced arterial compliance, and impaired endothelial function, which are all considered to be precursors of cardiovascular disease.127 Evidence from low-income and middle-income countries is limited to one study from India;121,128 prevalence of coronary heart disease was inversely related to birthweight after adjustment for adult body-mass index (14% in men and women older than 45 years weighing <5 lbs [2·27 kg] compared with 4% for those weighing >7 lbs [3·18 kg] at birth). Arterial compliance was unrelated to birthweight.

A systematic review concluded that lower infant weight is associated with an increased risk of coronary heart disease in men.95 Shorter childhood height, but accelerated childhood weight gain, are associated with increased risk of cardiovascular disease.125,126 Several studies show an increased risk of cardiovascular disease in shorter men and women; however, no studies were identified from low-income and middle-income countries.

Lung function

Lung architecture develops in utero and during the first 2–3 years of life.129 Early impairment of nutrition or oxygen availability can permanently damage lung structure and function.130 Forced expiratory volume in 1 second (FEV1) and forced vital capacity show pulmonary development and have been used as outcomes in several studies of early determinants.

A meta-analysis of eight studies (six from Europe), showed positive associations between birthweight and FEV1 after adjustment for age, smoking, and height.131 The two non-European studies included a retrospective cohort of men and women aged 38–59 years from India, in whom mean FEV1 and forced vital capacity were positively associated with birthweight irrespective of smoking; however, this study did not adjust for socioeconomic status.132 In the Pelotas cohort in Brazil, both indicators were lowest in 18-year-olds with low birthweight, especially those with intrauterine growth restriction, but the effect disappeared after adjustment for socioeconomic and gestational confounding factors.133

Immune function

Studies from The Gambia note that individuals born in the hungry season show immune system changes—suggesting lower thymic output and reduced cellular and humoral responses—that might lead to long-term programming effects.134,135

In Pakistani adults136 and Filipino adolescents,137 antibody response to selected vaccines was lower in people who were small at birth than in those with a birthweight of 2500 g or more. A Gambian study showed that young adults born in the annual hungry season were substantially more likely to die from infections than were those born the rest of the year.138,139 This finding was not confirmed in other settings with similar seasonal variability and high adult mortality because of infectious diseases,140,141 nor in the Dutch famine study in 1944.142 Further studies are needed to establish the clinical significance of these findings for adults.


Unlike other outcomes considered here, cancers are associated with larger size in early life, possibly reflecting increased exposure to growth factors before or after birth, or both.143–146 Most of the published work relates to breast cancer.

In high-income countries, studies have shown consistent positive association between birthweight and premenopausal breast cancer.143–146 The risk typically increases by 20–40% from lowest to highest birthweight categories. Much the same associations were reported for prostate, haemopoietic, and colorectal cancers. Data from low-income and middle-income countries are scarce. A small study in China showed no association between birthweight and breast cancer,147 although in Poland, women of higher birthweight were at increased risk.148

Although data are scarce, no associations have been reported between weight in infancy and cancers.95 Single studies have suggested that higher energy intake in childhood is associated with increased cancer risk, and famine exposure is protective.149 However, there is no convincing evidence that higher bodyweight in childhood predicts cancer in later life; in fact some trials have suggested that the opposite notion could be true.143–145 There are no data from low-income and middle-income countries to date. Studies from high-income countries have shown that taller adults have an increased risk of several cancers; however, the Chinese study showed no association for breast cancer.147

Bone mass, fracture risk, and osteoporosis

Bone mass is a composite measure of skeletal size and mineral density. It peaks in young adulthood and subsequently decreases, resulting in a heightened risk of osteoporosis and bone fractures in old age. Bone mass in elderly people results from the rate of mineral loss and the mass accumulated during skeletal growth, which in turn depends on dietary calcium and vitamin D status.

Maternal calcium intake and vitamin D status in pregnancy are positively related to bone mass in children.150 No studies have examined adult outcomes.

Short birthlength is associated with an increased risk of bone fractures in adults.150 Positive correlations between birthweight or weight in infancy and adult bone-mineral content or density suggest that fetal and infant growth make important contributions to adult bone mass.150 Correlations are stronger for bone-mineral content than for density, and are reduced after adjustment for adult height, indicating that early weight predicts adult bone mass through its effect on skeletal size. A study from Finland showed higher risk of hip fracture in adults who grew rapidly from birth to 7 years and slowly from 7 to 15 years.150

Mental illness

Specific forms of mental illness are thought to be affected by adverse intrauterine experience, including maternal undernutrition. Alterations in brain development, occurring sometime in midgestation, can precipitate evolving malfunction that manifests in early adulthood. The neurodevelopmental hypothesis is supported by significant changes in the size and structure of features of the brain in some adults diagnosed with schizophrenia. Other effects of prenatal undernutrition, such as changes in arousal and sleep waves, are consistent with schizophrenia.151 The strong link between poverty and mental health152 can be partly explained by nutritional factors.

Studies investigating the Dutch Famine report more than a two-fold increase in risk for schizophrenia associated with malnutrition in midgestation.153 A very severe famine in China in 1958–61 indicated a similar level of risk of schizophrenia in a low-income or middle-income setting.154 Studies of the Chinese example suggest that an increased risk of mental illness is robustly associated with prenatal exposure to famine.155 Bennet and Gunn state that “nutritional inadequacy, in one form or another is one of the largest single non-genetic contributors to mental retardation and aberrant neural development”.151

Several cohort studies have reported associations between low birthweight and depression in men, but not in women,36 also between infant size and depression in both men and women, after adjustment for socioeconomic status, and with suicide in men.95 We identified no studies from low-income and middle-income countries.


Table 4 summarises the review of published data and our new analyses, restricted to anthropometric indicators of undernutrition (panel 2). We provide strong evidence that adequate nutrition in utero and in the first 2 years of life is essential for formation of human capital. Undernourished children are more likely to become short adults, to have lower educational achievement, and to give birth to smaller infants. Undernutrition is also associated with lower economic status in adulthood. At present our cohorts are too young to assess the association between undernutrition and life expectancy, but in view of the direct association between longevity and schooling,159 such an association will probably become apparent in the long term. Because of the major importance of nutrition for human capital, the amount of research on this issue is remarkably small. Areas in which further research is particularly needed are listed in panel 3.

Table 4
Summary of the evidence, particularly from low-income and middle-income settings, on the associations between maternal and child undernutrition and adult exposures

Panel 2

What this paper does not cover

This paper addresses maternal and child undernutrition through the use of anthropometric indicators. There are other dimensions of undernutrition that are equally important. These include micronutrient deficiencies—eg, iodine, iron, vitamin A, and calcium—which might lead to long-term consequences. An earlier Lancet Series addressed the long-term consequences of iodine and zinc deficiency on intellectual development,156 and these deficiencies were incorporated in the estimates of burden of diseases included in the first paper in this Series.1

Breastfeeding can also have long-term health consequences. A recent series of systematic reviews addressed its association with body-mass index, blood pressure, diabetes and related indicators, blood lipids, and schooling.86

Two important studies on the effects of short exposures to malnutrition during famines in Europe—the Dutch famine157,158 and Leningrad siege studies—were cited only when evidence from low-income and middle-income countries was very scarce. Although these investigations provide unique information about crucial periods when undernutrition is likely to have lasting effects, they were deemed not to be representative of the situation in such countries when undernutrition acts throughout longer time periods including pregnancy, infancy, and childhood.

Panel 3

Areas for future research

Association between rapid weight and length gain at different age intervals in infancy and childhood with human capital and outcomes related to chronic disease, to define the age after which rapid growth should be avoided
Long-term effects of weight gain in late childhood stratified in previously stunted and non-stunted children, and for children with and without intrauterine growth restriction
Long-term effects of micronutrient deficiencies in childhood
Association between undernutrition and long-term changes in immune function, blood lipids, osteoporosis, and mental illness
Improved quantification of the economic effect of undernutrition on adult productivity
Interactions between genes and environmental factors in long-term outcomes

The effect of undernutrition spans at least three generations, as suggested by the small but significant association between grandmother's height and birthweight of children born to women from the five cohorts. Because of their fairly small magnitude, intergenerational effects do not preclude achievement of progress by acting only on the present generation.

The results of outcomes related to chronic disease were not so straightforward (table 4). Adult body-mass index seems to be strongly affected by the childhood indices related to weight, and to a lesser extent by height-for-age. Because body-mass index includes fat and lean mass, its associations with early weight and height might have different biological implications. Glucose concentrations were not associated with any of the exposures, but it should be noted that participants in the five cohorts are fairly young and that a post-glucose-load concentration was available in only one cohort. In high-income countries, the association of lower birthweight with raised glucose concentration is seen mainly with post-glucose-load values. Systolic and diastolic blood pressure were positively associated with childhood weight and height, and to a lesser extent to body-mass-index-for-age, but these associations were small and their clinical relevance is questionable. Taken together, our results show weaker associations between size at birth or in infancy with outcomes related to chronic disease than do those arising from cohorts in developed countries. In addition to the young age of our cohorts, other factors might have a role, including the fact that the causes of low birthweight are different and there is less catch-up growth compared with developed settings, and that some of our cohorts were not undergoing the nutrition transition.

We analysed five long running prospective cohorts in low-income and middle-income countries in a similar way. The consistency of most results is remarkable, considering that study sites are located in South and Central America, sub-Saharan Africa, and south and east Asia. Because analyses were defined a priori, our results are not affected by publication bias.

There were substantial increases in the coefficients after adjustment for adult body-mass index and height. In earlier analyses related to the Barker hypothesis, adjustment for present size was a standard procedure, but this practice has been challenged.84 Our reviews of studies from low-income and middle-income countries on lipid profiles, diabetes, blood pressure, and cardiovascular disease showed that the negative effects of undernutrition often only become apparent—or at least were strengthened—after such adjustment. If an early weight and present weight or body-mass index are included in the same regression equation, the coefficient associated with the early weight measure will become negative whenever weight gain is positively associated with the outcome. For example, a negative association with birthweight that becomes apparent only when adult body-mass index is included in the statistical model does not suggest that low birthweight itself is a risk factor; in fact, postnatal excessive weight gain might have a large role.70,84,95,119

For the outcomes for which no new data are presented, there is insufficient evidence linking undernutrition to long-term changes in immune function or blood lipids, or in indicators related to osteoporosis. Birthweight is positively associated with lung function, and there is some evidence that undernutrition might contribute to mental illness. By contrast with these findings (ie, showing detrimental effects of undernutrition), studies suggest a positive association between birthweight and the incidence of some cancers.

A recent symposium160 addressed the contrasting perspectives of auxology and biomedicine—“poor growth is poor health”—and evolutionary biology and anthropology—“poor growth is adaptive”. The evidence for the biomedical stance is overwhelming and recognised by the symposium participants, but the two approaches are not incompatible. In response to poor nutrient availability at the cellular level, vital functions are preserved, linear growth is stopped, and muscle and fat can be metabolised for continued function. Thus poor growth can be a survival strategy. However, the evidence that growth failure has a huge cost is overwhelming: compared with people who grow well, there is increased susceptibility to infections and greater mortality1 and losses in human capital in survivors. A population of stunted people will indeed have lower nutritional requirements than will a population with unrestricted growth, which might be seen as an adaptation; however, such a population will be less likely to be competitive in the modern world because of reduced human capital.

Rapid weight gain is especially relevant in low-income and middle-income countries that are undergoing rapid transition and facing an epidemic of overweight and obesity. The long-term effects of early undernutrition might be compounded by the adoption of diets and lifestyles of developed countries.134 A baby of low birthweight, who is stunted and underweight in infancy and gains weight rapidly in childhood and adult life, can represent a worst-case scenario for cardiovascular and metabolic disease.10,134,161,162 However, rapid weight gain in infancy is associated with lower morbidity and mortality in low-income and middle-income settings,1,163 and as shown above, bodysize at 2 years of age is clearly associated with enhanced human capital. Although these are sufficient reasons for strong efforts in the prevention of undernutrition, attention should also be given to preventing excessive weight gain after infancy.

To design evidence-based policies, the potential hazards of rapid weight gain in different age ranges should be established. There is growing evidence that a high birthweight64 and weight gain in infancy lead primarily to accumulation of lean body mass, whereas gaining weight later in childhood is more likely to result in accumulation of fat mass.9,22,65,164 A recent meta-analysis centred on studies from high-income countries concluded that “there is insufficient evidence to recommend prevention of adult disease through strategies to alter infant growth.”95 Therefore, present evidence does not accord with limiting weight gain in the first year of life, and suggests that rapid weight gain becomes hazardous only later in childhood. Further research is needed to establish the exact age when rapid weight gain does more harm than good.

The first article in this Series proposed stunting as a better overall indicator of undernutrition than underweight.1 In countries undergoing the nutrition transition, monitoring length-for-age and weight-for-length in young children has been argued to be more appropriate than monitoring weight-for-age,165 because weight gain can reflect children becoming taller, fatter, or both. Our findings support this argument. Height-for-age at 2 years was more closely related to outcomes for human capital than birthweight, weight-for-age, or body-mass-index-for-age. Body-mass-index-for-age was not an important predictor of human capital, although it is highly predictive of adult body-mass index. Countries undergoing the nutrition transition should consider the advantages of assessing height-for-age and body-mass-index-for-age, in view of their different predictive values.

Because of the observational nature of our analyses, the possibility of residual confounding cannot be ruled out. However, that adjustment for confounders, including socioeconomic indicators, made little difference to estimates of effect size is reassuring. In the one trial included in our analysis, exposure to a nutritious supplement during pregnancy and early childhood, compared with exposure to low-energy supplement, led to greater adult height, schooling (women only), improved scores on tests of intelligence and reading, greater income, and better growth of the next generation.31,38,48,57,166,167

Our results strongly suggest that undernutrition leads to long-term impairment. This evidence, combined with the well-known short-term effects of undernutrition, is sufficient for giving the prevention of undernutrition high priority in national health, education, and economic agendas in low-income and middle-income countries.45,168 At the same time as investments are made against undernutrition, middle-income countries undergoing the nutrition transition should also address the negative consequences of rapid weight gain, especially in later childhood.

Search strategy and selection criteria

14 adult outcomes were selected: height; achieved schooling and educational performance; income and assets; birthweight in the offspring; body-mass index, body composition, and obesity; blood lipids; insulin resistance and type 2 diabetes; blood pressure; cardiovascular disease; lung function; immune function; cancers; bone mass, fracture risk, and osteoporosis; and mental illness. Exposure variables were measured during pregnancy (maternal height and weight before pregnancy, weight gain, micronutrient status and diet), at birth (weight, length, ponderal index, intrauterine growth restriction), and at 2 years of age (stunting, wasting, underweight). Searches of published work were undertaken in the Medline, Embase, CINAHL, EconLit, Psychinfo, and PsychArticles databases, with all possible combinations of exposures and outcomes, which identified more than 15 000 original articles and 700 reviews. The search was narrowed down to articles from low-income and middle-income countries in which outcomes were measured in adulthood or late adolescence. We identified 28 relevant articles originating from populations in low-income and middle-income countries. We excluded studies with low statistical power or poor methodological quality. Information from high-income countries was summarised by selecting high-quality review articles, and was complemented by original research articles if necessary. We complemented the search by contacting investigators involved in long-term cohort studies in low-income and middle-income countries to identify relevant original or review articles and book chapters, and by searching our own personal files.


Funding for the preparation of the Series was provided by the Bill & Melinda Gates Foundation. Meetings were hosted by the UNICEF Innocenti Research Centre and the Rockefeller Foundation Bellagio Conference Center. Analyses in this paper were made possible by a grant by the Wellcome Trust of the UK.The sponsors had no role in the analysis and interpretation of the evidence nor in writing the report and the decision to submit for publication. Jean-Pierre Habicht critically reviewed the manuscript. We thank the following colleagues from each site—Guatemala: Rafael Flores, Usha Ramakrishnan, Aryeh Stein, and Kathryn Yount of Emory University; Ruben Grajeda, Paul Melgar, Manuel Ramirez-Zea, Humberto Mendez, and Luis Fernando Ramirez of INCAP; Jere Behrman of the University of Pennsylvania; John Hoddinott, Agnes Quisumbing, and Alexis Murphy of IFPRI; and John Maluccio of Middlebury College. Cebu: Socorro A Gultiano, Josephine Avila, and Lorna Perez of Office of Population Studies Foundation, University of San Carlos, Cebu, Philippines; Christopher Kuzawa and Thomas W McDade, Northwestern University. Pelotas: Fernando Barros, Bernardo Horta, and Denise Gigante of the Universidade Federal de Pelotas, and Rosangela Lima of the Universidade Católica de Pelotas. India: Santosh K Bhargava of Sunder Lal Jain Hospital. The original cohort study was funded by the US National Center for Health Statistics and the Indian Council of Medical Research. Soweto: John Pettifor and Stella Fleetwood of the University of Witwatesrand. We thank Mario Azevedo (Universidade Federal de Pelotas) for preparation of tables, figures, and meta-analyses; and Shane Norris (University of Witwatersrand), Clive Osmond and Shirin Wadia (University of Southampton), Meng Wang (Emory University) for data analyses. Finally, we would like to acknowledge funding sources of each individual study: Wellcome Trust (Pelotas and Soweto), US National Institutes of Health and the US National Science Foundation (Guatemala), British Heart Foundation, the Medical Research Council UK, and the Indian Council of Medical Research (India), Human Sciences Research Council, South African Medical Research Council, the Mellon Foundation, the South-African Netherlands Programme on Alternative Development and the Anglo American Chairman's Fund (Soweto), Ford Foundation, USAID, The World Bank, Nestle Coordinating Center for Nutrition Research (Cebu).


CGV convened the working group, and conceptualised and coordinated the preparation of the paper. PCH led the analyses. Primary responsibility for specific topics were as follows: height and economic productivity (RM); education and mental health (LR); intergenerational effects, lipids, and immunity (CGV); body composition and blood pressure (LA); and diabetes, cardiovascular disease, cancer, and bone health (CF and HSS). All authors provided original data and contributed to the final paper.

Maternal and Child Undernutrition Study Group

Series steering committee—Robert E Black (Johns Hopkins Bloomberg School of Public Health, USA), Zulfiqar A Bhutta (Aga Khan University, Pakistan), Jennifer Bryce (Johns Hopkins Bloomberg School of Public Health, USA), Saul S Morris (London School of Hygiene and Tropical Medicine, UK), Cesar G Victora (Federal University of Pelotas, Brazil).

Other members—Linda Adair (University of North Carolina, USA), Tahmeed Ahmad (ICDDR,B, Bangladesh), Lindsay H Allen (USDA ARS Western Human Nutrition Research Center, USA), Laura E Caulfield (Johns Hopkins Bloomberg School of Public Health), Bruce Cogill (UNICEF, USA), Denise Coitinho (WHO, Switzerland), Simon Cousens (London School of Hygiene and Tropical Medicine, UK), Ian Darnton-Hill (UNICEF, USA), Mercedes de Onis (WHO, Switzerland); Kathryn Dewey (University of California, Davis, USA), Majid Ezzati (Harvard School of Public Health, USA), Caroline Fall (University of Southhampton, UK), Elsa Giugliani (Federal University of Rio Grande de Sul, Brazil), Batool A Haider (Aga Khan University, Pakistan), Pedro Hallal (Federal University of Pelotas, Brazil), Betty Kirkwood (London School of Hygiene and Tropical Medicine, UK), Reynaldo Martorell (Emory University, Rollins School of Public Health, USA), Colin Mathers (WHO, Switzerland), David Pelletier (Cornell University, USA), Per Pinstrup-Andersen (Cornell University, USA), Linda Richter (Human Sciences Research Council, South Africa), Juan A Rivera (Mexico National Institute of Public Health), Harshpal Singh Sachdev (Sitaram Bhartia Institute of Science and Research, India), Meera Shekar (World Bank, USA), Ricardo Uauy (Institute of Nutrition, Chile).

Conflict of interest statement

We declare that we have no conflict of interest.

Web Extra Material

Webfigure 1a-f:

Effect of maternal height on attained height in adulthood – meta-analyses of four studies stratified by sex.

P value <0.001 (random effects)

Effect of birthweight on attained height in adulthood – meta-analyses of five studies stratified by sex.

P value <0.001 (fixed effects)

Effect of intrauterine growth retardation on attained height in adulthood – meta-analyses of five studies stratified by sex.

P value<0.001 (fixed effects)

Effect of weight for age Z-score at 2 years on attained height in adulthood – meta-analyses of five studies stratified by sex.

P value <0.001 (random effects)

Effect of height for age Z-score at 2 years on attained height in adulthood – meta-analyses of five studies stratified by sex.

P value <0.001 (fixed effects)

Effect of body mass index for age Z-score at 2 years on attained height in adulthood – meta-analyses of five studies stratified by sex.

P value = 0.423 (random effects)

Webfigure 2a-f:

Effect of maternal height on schooling in adulthood – meta-analyses of three studies stratified by sex.

P value<0.001 (fixed effects)

Effect of birthweight on schooling in adulthood – meta-analyses of four studies stratified by sex.

P value<0.001 (fixed effects)

Effect of intrauterine growth retardation on schooling in adulthood – meta-analyses of four studies stratified by sex.

P value<0.001 (fixed effects)

Effect of weight for age Z-score at 2 years on schooling in adulthood – meta-analyses of four studies stratified by sex.

P value<0.001 (fixed effects)

Effect of height for age Z-score at 2 years on schooling in adulthood – meta-analyses of four studies stratified by sex.

P value <0.001 (fixed effects)

Effect of body mass index for age Z-score at 2 years on schooling in adulthood – meta-analyses of four studies stratified by sex.

P value = 0.019 (random effects)

Webfigure 3a-f:

Effect of maternal height on body mass index in adulthood – meta-analyses of four studies stratified by sex.

P value = 0.092 (fixed effects)

Effect of birthweight on body mass index in adulthood – meta-analyses of five studies stratified by sex.

P value<0.001 (fixed effects)

Effect of intrauterine growth retardation on body mass index in adulthood – meta-analyses of five studies stratified by sex.

P value<0.001 (fixed effects)

Effect of weight for age Z-score at 2 years on body mass index in adulthood – meta-analyses of five studies stratified by sex.

P value<0.001 (random effects)

Effect of height for age Z-score at 2 years on body mass index in adulthood – meta-analyses of five studies stratified by sex.

P value<0.001 (fixed effects)

Effect of body mass index for age Z-score at 2 years on body mass index in adulthood – meta-analyses of five studies stratified by sex.

P value<0.001 (random effects)

Webtable 1a-b:

Attained height (cm) for males in the five study sites, according to indicators of maternal and child undernutrition: regression analyses.

Attained height (cm) for females in the five study sites, according to indicators of maternal and child undernutrition: regression analyses.

Webtable 2a-b:

Schooling (number of years completed with approval) for males in the five study sites, according to indicators of maternal and child undernutrition: regression analyses.

Schooling (number of years completed with approval) for females in the five study sites, according to indicators of maternal and child undernutrition: regression analyses.

Webtable 3a-b:

Annual income (log US$) for males in Brazil and Guatemala, and number of assets in India, according to indicators of maternal and child undernutrition: regression analyses. No information available for Philippines and South Africa, where most study subjects are not yet financially independent.

Annual income (log US$) for females in Brazil and Guatemala, and number of assets in India, according to indicators of maternal and child undernutrition: regression analyses. No information available for Philippines and South Africa, where most study subjects are not yet financially independent.

Webtable 4:

Birthweight of the first offspring (g) for females in four study sites, according to indicators of maternal and child undernutrition: regression analyses. No information available for South Africa, where the number of births was very small.

Webtable 5a-b:

Body mass index (kg/m2) for males in the five study sites, according to indicators of maternal and child undernutrition: regression analyses.

Body mass index (kg/m2) for females in the five study sites, according to indicators of maternal and child undernutrition: regression analyses.

Webtable 6a-b:

Glucose (loge mmol/L) for males in four study sites, according to indicators of maternal and child undernutrition: regression analyses. No data available from South Africa.

Glucose (loge mmol/L) for females in four study sites, according to indicators of maternal and child undernutrition: regression analyses. No data available from South Africa.

Webtable 7a-b:

Systolic blood pressure (mm/Hg) for males in four study sites, according to indicators of maternal and child undernutrition: regression analyses.

Systolic blood pressure (mm/Hg) for females in the five study sites, according to indicators of maternal and child undernutrition: regression analyses.


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