Document Detail

The effects of labor on infant mortality among small-for-gestational-age infants in the USA.
MedLine Citation:
PMID:  12530619     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine whether the presence of labor affects infant mortality among small-for-gestational-age (SGA) infants. METHODS: Data were derived from the United States national linked birth/infant death data sets for 1995-97. Singleton SGA live births in cephalic presentation delivered at 24-42 weeks' gestation were included. Mortality rates for SGA infants exposed and unexposed to labor were compared, and relative risks (RR) were derived using multivariable logistic regression models, after adjusting for potential confounding factors. RESULTS: Of 986 405 SGA infants, 87.4% were exposed to labor. Infants exposed to labor at 24-31 weeks had greater risks of dying during the early neonatal period (RR 1.79-1.86). Decreased risks of late and postneonatal death were observed at all gestational ages in the presence of labor. CONCLUSIONS: Exposure to labor is associated with an increased risk of early neonatal death among SGA infants, especially at gestational ages below 32 weeks. Future randomized trials are warranted to determine the optimal obstetric management of these high-risk infants.
W L Kinzler; C V Ananth; J C Smulian; A M Vintzileos
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians     Volume:  12     ISSN:  1476-7058     ISO Abbreviation:  J. Matern. Fetal. Neonatal. Med.     Publication Date:  2002 Sep 
Date Detail:
Created Date:  2003-01-17     Completed Date:  2003-02-10     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  101136916     Medline TA:  J Matern Fetal Neonatal Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  201-6     Citation Subset:  IM    
Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology and Reproductive Services, UMDNJ-Robert Wood Johnson Medical School/Saint Peter's University Hospital, New Brunswick, New Jersey 08903-0591, USA
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MeSH Terms
Gestational Age
Infant Mortality*
Infant, Newborn
Infant, Small for Gestational Age*
Labor, Obstetric*
Risk Factors
Grant Support

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