Document Detail

Within-population average ranges compared with Institute of Medicine recommendations for gestational weight gain.
MedLine Citation:
PMID:  20966696     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To compare the risk for pregnancy outcomes by gestational weight gain with the Institute of Medicine criteria and empirically established average ranges of gestational weight gain. METHODS: In a population-based data set comprising 678,560 singleton deliveries in Bavarian obstetric units from 2000 to 2007, we calculated the prevalence of adverse short-term pregnancy outcomes within the gestational weight-gain ranges recommended by the Institute of Medicine. We then compared these for gestational weight gain within data-based interquartile ranges (25th to 75th percentile) and interdecile ranges (10th to 90th percentile) of gestational weight gain by maternal weight category (underweight, normal weight, overweight, and obese). RESULTS: In underweight and normal-weight mothers, adherence to Institute of Medicine criteria was significantly associated with fewer preterm deliveries and small-for-gestational-age births (prevalence [95% confidence interval] for preterm delivery in normal-weight women: 5.33 [5.23-5.43] within Institute of Medicine criteria compared with 5.45 [5.36-5.54] in interquartile range). Overweight and obese mothers gaining weight within the Institute of Medicine recommendations had less preeclampsia and nonelective caesarean deliveries but had higher risks for gestational diabetes, small-for-gestational-age births, preterm delivery, and perinatal mortality compared with gestational weight gain within the respective interquartile ranges and interdecile ranges (prevalence for preterm delivery in overweight women: 8.14% [7.87-8.42] within Institute of Medicine criteria compared with 5.77% [5.60-5.93] in interquartile range). CONCLUSION: Although underweight and normal-weight women should be encouraged to aim for a gestational weight gain according to Institute of Medicine guidelines, different gestational weight gain recommendations in overweight and obese women might lessen some adverse short-term pregnancy outcomes. LEVEL OF EVIDENCE: II.
Andreas Beyerlein; Nicholas Lack; Rüdiger von Kries
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Obstetrics and gynecology     Volume:  116     ISSN:  1873-233X     ISO Abbreviation:  Obstet Gynecol     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-22     Completed Date:  2010-11-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401101     Medline TA:  Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1111-8     Citation Subset:  AIM; IM    
Institute of Social Paediatrics and Adolescent Medicine, Ludwig-Maximilians University of Munich, Munich, Germany.
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MeSH Terms
Body Mass Index
Infant, Newborn
Infant, Small for Gestational Age
Obesity / complications
Overweight / complications
Patient Compliance
Pregnancy Complications*
Pregnancy Outcome
Pregnancy Trimesters
Premature Birth / etiology
Weight Gain*

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

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