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The timing of maternal weight gain during pregnancy and fetal growth.
MedLine Citation:
PMID:  11533981     Owner:  NLM     Status:  Publisher    
The morbidity, mortality, and growth patterns of intrauterine growth retarded (IUGR) infants vary according to body proportionality, or the ponderal index. Much less in known, however, about the factors that give rise to the various forms of IUGR. This study tests that hypothesis that the rate of maternal weight gain during early/mid and late pregnancy are differentially related to body size and proportions at birth in a nutritionally stressed population in rural Malawi. The data consist of prospectively collected measurements of maternal weight and infant size at birth on 272 mother-infant pairs. The results reveal that early/mid and late weight gain are both related to birth weight and length, but not to the ponderal index. Late weight gain is particularly predictive of infant size among thin women (BMI </= 18.5) and is several times stronger than early/mid weight gain. These findings do not support the timing hypothesis as previously stated in the literature, but do add to the suggestions arising from a disparate literature that growth acceleration in length may precede acceleration in weight-for-length during a period of nutritional replection in phases of the life cycle characterized by rapid growth. Am. J. Hum. Biol. 11:627-637, 1999. Copyright 1999 Wiley-Liss, Inc.
Lynnette Neufeld; David L. Pelletier; Jere D. Haas
Publication Detail:
Journal Detail:
Title:  American journal of human biology : the official journal of the Human Biology Council     Volume:  11     ISSN:  1520-6300     ISO Abbreviation:  Am. J. Hum. Biol.     Publication Date:  1999 Sep 
Date Detail:
Created Date:  2001-Sep-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8915029     Medline TA:  Am J Hum Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  627-637     Citation Subset:  -    
Division of Nutritional Sciences, Cornell University, Ithaca, New York.
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