Document Detail


Birth weight threshold for postponing preterm birth.
MedLine Citation:
PMID:  1415408     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: The study was designed to determine the birth weight threshold at which obstetric efforts intended to delay delivery might potentially improve rates of neonatal morbidity and mortality among pregnancies delivered after spontaneous preterm labor or rupture of the membranes. STUDY DESIGN: We studied 1147 singleton infants with birth weights between 1000 and 2499 gm and whose only complication was spontaneous preterm labor or preterm rupture of the membranes. The Mantel-Haenszel chi 2 statistic was used to evaluate trends for neonatal mortality and several indexes of morbidity. RESULTS: The birth weight threshold for neonatal mortality was 1600 gm (p < 0.001). For neonatal morbidity the threshold was between 1600 and 1900 gm (p < 0.008). CONCLUSION: Aggressive obstetric attempts to prevent preterm birth for infants whose weights exceed 1900 gm offers few apparent potential benefits.
Authors:
R T DePalma; K J Leveno; M A Kelly; M L Sherman; T J Carmody
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  167     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  1992 Oct 
Date Detail:
Created Date:  1992-11-17     Completed Date:  1992-11-17     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1145-9     Citation Subset:  AIM; IM    
Affiliation:
Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas 75235-9032.
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MeSH Terms
Descriptor/Qualifier:
Birth Weight*
Bronchopulmonary Dysplasia / epidemiology
Cerebral Hemorrhage / epidemiology
Delivery, Obstetric*
Differential Threshold
Female
Humans
Incidence
Infant Mortality
Infant, Newborn
Length of Stay
Obstetric Labor, Premature / prevention & control*
Pregnancy
Respiration, Artificial
Time Factors

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


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