Document Detail

Combined associations of prepregnancy body mass index and gestational weight gain with the outcome of pregnancy.
MedLine Citation:
PMID:  18541565     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Although both maternal prepregnancy body mass index (BMI) and gestational weight gain (GWG) may affect birth weight, their separate and joint associations with complications of pregnancy and delivery and with postpartum weight retention are unclear. OBJECTIVES: We aimed to investigate the combined associations of prepregnancy BMI and GWG with pregnancy outcomes and to evaluate the trade-offs between mother and infant for different weight gains. DESIGN: Data for 60892 term pregnancies in the Danish National Birth Cohort were linked to birth and hospital discharge registers. Self-reported total GWG was categorized as low (<10 kg), medium (10-15 kg), high (16-19 kg), or very high (>or=20 kg). Adjusted associations of prepregnancy BMI and GWG with outcomes of interest were estimated by logistic regression analyses. RESULTS: High and very high GWG added to the associations of high prepregnancy BMI with cesarean delivery and were strongly associated with high postpartum weight retention. Moreover, greater weight gains and high maternal BMI decreased the risk of growth restriction and increased the risk of the infant's being born large-for-gestational-age or with a low Apgar score. Generally, low GWG was advantageous for the mother, but it increased the risk of having a small baby, particularly for underweight women. CONCLUSIONS: Heavier women may benefit from avoiding high and very high GWG, which brings only a slight increase in the risk of growth restriction for the infant. High weight gain in underweight women does not appear to have deleterious consequences for them or their infants, but they may want to avoid low GWG to prevent having a small baby.
Ellen A Nohr; Michael Vaeth; Jennifer L Baker; Thorkild Ia Sørensen; Jorn Olsen; Kathleen M Rasmussen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of clinical nutrition     Volume:  87     ISSN:  1938-3207     ISO Abbreviation:  Am. J. Clin. Nutr.     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-06-10     Completed Date:  2008-08-01     Revised Date:  2009-05-15    
Medline Journal Info:
Nlm Unique ID:  0376027     Medline TA:  Am J Clin Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1750-9     Citation Subset:  AIM; IM    
Department of Epidemiology, Institute of Public Health, University of Aarhus, Aarhus, Denmark.
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MeSH Terms
Body Mass Index*
Cohort Studies
Interviews as Topic
Obesity / physiopathology
Overweight / physiopathology
Pregnancy / physiology*
Pregnancy Outcome*
Pregnancy Trimester, Second
Pregnancy Trimester, Third
Weight Gain*
Erratum In:
Am J Clin Nutr. 2008 Dec;88(6):1705

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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