Duration of the second stage of labor in multiparous women: maternal and neonatal outcomes

Objective This study was undertaken to examine perinatal outcomes associated with the second stage of labor in multiparous women. Study Design This is a retrospective cohort study of all term, cephalic, singleton births delivered by multiparous women between1991 and 2001. Duration of the second stag...

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Bibliographic Details
Published in:American journal of obstetrics and gynecology 2007-06, Vol.196 (6), p.585.e1-585.e6
Main Authors: Cheng, Yvonne W., MD, MPH, Hopkins, Linda M., MD, Laros, Russell K., MD, Caughey, Aaron B., MD, MPP, MPH, PhD
Format: Article
Language:English
Subjects:
Adult
Apgar Score
California - epidemiology
Cesarean Section - statistics & numerical data
Chorioamnionitis - epidemiology
Cohort Studies
Endometritis - epidemiology
Extraction, Obstetrical - statistics & numerical data
Female
Humans
Hydrogen-Ion Concentration
Infant, Newborn
Intensive Care Units, Neonatal
Labor Stage, Second
Length of Stay - statistics & numerical data
Meconium
multiparous women
Multivariate Analysis
Obstetrics and Gynecology
Parity
Patient Admission - statistics & numerical data
perinatal complications
Perineum - injuries
Postpartum Hemorrhage - epidemiology
Pregnancy
prolonged
Retrospective Studies
second stage of labor
Time Factors
Umbilical Arteries - chemistry
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Summary:Objective This study was undertaken to examine perinatal outcomes associated with the second stage of labor in multiparous women. Study Design This is a retrospective cohort study of all term, cephalic, singleton births delivered by multiparous women between1991 and 2001. Duration of the second stage of labor was stratified into hourly intervals: 0-1 hour, 1-2 hours, 2-3 hours, and 3 hours or longer. Perinatal outcomes were analyzed by using χ2 test and multivariable logistic regression models, by using P
ISSN:0002-9378
1097-6868
DOI:10.1016/j.ajog.2007.03.021