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1.  Dietary Supplements Contribute Substantially to the Total Nutrient Intake in Pregnant Norwegian Women 
Annals of Nutrition & Metabolism  2008;52(4):272-280.
Background
Use of dietary supplements during pregnancy may give an important contribution to nutrient intake, and for nutrients like folate and vitamin D supplements are recommended. Our objective was to study use and contribution of dietary supplement to nutrient intake among women participating in the Norwegian Mother and Child Cohort Study (MoBa).
Methods
This study is based on 40,108 women participating in MoBa which is conducted by the Norwegian Institute of Public Health. The women had filled inversion 2 of the food frequency questionnaire in MoBa between February 2002 and February 2005.
Results
81% reported use of one or more dietary supplements. The most commonly used category was cod liver oil/fish oil supplements (59%) followed by singular folic acid supplements (36%) and multivitamin/multimineral supplements (31%). The nutrient contribution of the dietary supplements varied from 65% for folate and vitamin D to 1% for potassium among supplement users. The dietary intake of vitamin D, folate, iodine and iron did not reach the Nordic Recommendations for pregnant women.
Conclusions
Use of supplements improved the intake of folate, iron and vitamin D, but not sufficiently to reach the recommended amounts.
doi:10.1159/000146274
PMCID: PMC2813797  PMID: 18645244
Dietary supplements; Pregnancy; Nutrient intake; Multivitamins; Minerals; Fatty acids; Vitamin D; Folate; Iodine
2.  Supplementation with 200 mg/Day Docosahexaenoic Acid from Mid-Pregnancy through Lactation Improves the Docosahexaenoic Acid Status of Mothers with a Habitually Low Fish Intake and of Their Infants 
Annals of Nutrition & Metabolism  2008;52(2):157-166.
Background/Aims
The supply of docosahexaenoic acid (DHA, 22:6ω–3), important for fetal/infant neurodevelopment, depends on the maternal fatty acid (FA) status, which may be marginal in central Europe. Therefore, we investigated the effect of a daily vitamin/mineral supplement with and without 200 mg DHA from mid-pregnancy through lactation on the DHA concentrations in maternal and infant red blood cell phospholipids (RBC%), and in breast milk FA (%).
Methods
At 21 weeks’ gestation, 144 women were enrolled into a randomised, double-blind clinical trial receiving daily: (1) a basic vitamin-mineral supplement (Vit/Min group), (2) Vit/Min plus 4.5 g fructo-oligosaccharide (FOS group), or (3) Vit/Min plus 4.5 g FOS plus 200 mg fish oil-derived DHA (DHA-FOS group). FAs were determined by capillary gas-liquid chromatography.
Results
While maternal RBC-DHA% at enrolment was not different, at 37 weeks gestation, and 3 months after delivery RBC-DHA% were significantly higher in the DHA-FOS group. The breast milk DHA% was twice as high in the DHA-FOS group (0.50%) than in the two others (0.25 %) (p < 0.001), and the ratio ARA/DHA in the DHA-FOS group was 1.0 ± 0.43, in the others 2.1 ± 0.43 (p < 0.001). The RBC-DHA% of the infants in the DHA-FOS group was also significantly higher, and correlated significantly with maternal RBC-DHA% before and 3 months after delivery.
Conclusions
In central Europe, a dose of 200 mg/day DHA from mid-pregnancy through lactation seems appropriate to improve the DHA status of mothers and infants.
doi:10.1159/000129651
PMCID: PMC2790529  PMID: 18446020
Supplements; Docosahexaenoic acid; Pregnancy; Lactation; Concentration; Erythrocytes; Breast milk

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