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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Veröffentlicht in:	American journal of obstetrics and gynecology 2007-06, Vol.196 (6), p.585.e1-585.e6
Hauptverfasser:	Cheng, Yvonne W., MD, MPH, Hopkins, Linda M., MD, Laros, Russell K., MD, Caughey, Aaron B., MD, MPP, MPH, PhD
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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