Document Detail

Neonatal body composition according to the revised institute of medicine recommendations for maternal weight gain.
MedLine Citation:
PMID:  22821895     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: In 2009, the Institute of Medicine (IOM) released revised pregnancy weight gain guidelines. There are limited data regarding the effect of maternal weight gain on newborn adiposity.
OBJECTIVE: The aim of this study was to estimate neonatal fat mass, lean body mass, and percentage body fat according to current Institute of Medicine (IOM) pregnancy weight gain guidelines.
DESIGN: This is a secondary analysis of a prospective observational cohort study of neonates delivered at least 36 wk gestation and evaluated for fat mass, lean body mass, and percentage body fat. Women with abnormal glucose tolerance testing and other known medical disorders or pregnancies with known fetal anomalies were excluded. Pregravid body mass index (BMI) was categorized as normal weight (<25 kg/m2), overweight (25-30 kg/m2), or obese (>30 kg/m2). Maternal weight gain was quantified as less than, equal to, or greater than current IOM guidelines. Newborn body composition measurements were compared according to weight gain and BMI categories.
RESULTS: A total of 439 maternal-newborn pairs were evaluated; 19.8% (n=87) of women gained less than IOM guidelines; 31.9% (n=140), equal to IOM guidelines; and 48.3% (n=212), greater than IOM guidelines. Significant differences for each component of body composition were found when evaluated by IOM weight gain categories (all ANOVA, P<0.001). When controlling for pregravid BMI, only weight gain for women who were of normal weight before pregnancy remained significant.
CONCLUSION: Maternal weight gain during pregnancy is a significant contributor to newborn body composition, particularly for women who are of normal weight before pregnancy.
Thaddeus P Waters; Larraine Huston-Presley; Patrick M Catalano
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2012-07-20
Journal Detail:
Title:  The Journal of clinical endocrinology and metabolism     Volume:  97     ISSN:  1945-7197     ISO Abbreviation:  J. Clin. Endocrinol. Metab.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-08     Completed Date:  2012-12-18     Revised Date:  2013-10-10    
Medline Journal Info:
Nlm Unique ID:  0375362     Medline TA:  J Clin Endocrinol Metab     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3648-54     Citation Subset:  AIM; IM    
MetroHealth Medical Center, Department of Obstetrics and Gynecology, 2500 MetroHealth Drive, Cleveland, Ohio 44109, USA.
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MeSH Terms
Adiposity / physiology
Birth Weight / physiology*
Body Composition / physiology*
Body Weight / physiology
Guidelines as Topic
Infant, Newborn
Institute of Medicine (U.S.)
Obesity / physiopathology*
Overweight / physiopathology
Pregnancy Complications / physiopathology*
Prenatal Exposure Delayed Effects / physiopathology*
United States
Weight Gain / physiology*
Grant Support

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

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