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J Assist Reprod Genet. 2000 November; 17(10): 547–552.
PMCID: PMC3455453

Does Body Mass Index of Infertile Women Have an Impact on IVF Procedure and Outcome?

Abstract

Purpose: The objective was to explore whether body mass index (BMI) of women related to the different parameters of the in vitro fertilization (IVF) procedure and outcome.

Methods: This retrospective study on 398 couples analyzed epidemiological features, characteristics of ovarian stimulation, number and quality of retrieved oocytes, as well as pregnancy outcome according to three groups of BMI values: BMI < 20, 20 ≤ BMI < 25 and BMI ≥ 25 kg/m2.

Results: The prevalence of underweight and overweight women was 21.8% and 22.3%, respectively. The mean ratio follicle-stimulating hormone–luteinizing hormone increased significantly according to BMI. An increase in the mean number of consummated gonadotropin ampoules together with a decrease in the number of collected oocytes was observed in long stimulation protocol cycles when BMI ≥ 25 kg/m2. The same observations were made in short stimulation protocol cycles for BMI < 20 and ≥ 25 kg/m2. No significant difference could be found in clinical pregnancy and miscarriage rates between underweight, normal weight, and overweight patients.

Conclusions: Both underweight and overweight have negative effects on IVF parameters and outcome leading to decreased chances of pregnancy.

Keywords: body mass index, intracytoplasmic sperm injection, in vitro fertilization, obesity

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
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Articles from Journal of Assisted Reproduction and Genetics are provided here courtesy of Springer Science+Business Media, LLC