Durations of second stage of labor and pushing, and adverse neonatal outcomes: a population-based cohort study

Objective: The associations between duration of second stage of labor, pushing time and risk of adverse neonatal outcomes are not fully established. Therefore, we aimed to examine such relationships. Study design: A population-based cohort study including 42 539 nulliparous women with singleton infa...

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Bibliographic Details
Published in:Journal of perinatology 2017-03, Vol.37 (3), p.236-242
Main Authors: Sandström, A, Altman, M, Cnattingius, S, Johansson, S, Ahlberg, M, Stephansson, O
Format: Article
Language:English
Subjects:
692/308/174
Acidosis
Acidosis - epidemiology
Adult
Asphyxia Neonatorum - epidemiology
Babies
Births
Cervix
Cesarean section
Childbirth & labor
Cohort analysis
Cohort Studies
Databases, Factual
Delivery (Childbirth)
Delivery, Obstetric - methods
Epidemiology
Epidural
Female
Gynecology
Humans
Infant, Newborn
Intensive care
Intensive Care Units, Neonatal - organization & administration
Labor Stage, Second - physiology
Medicin och hälsovetenskap
Medicine
Medicine & Public Health
Obstetric Labor Complications - epidemiology
Obstetrics
Original
original-article
Patient Admission
Patient outcomes
Pediatric Surgery
Pediatrics
Pregnancy
Pregnancy Outcome
Pressure - adverse effects
Regression Analysis
Risk Factors
Suffocation
Sweden
Time Factors
Uterine Contraction
Young Adult
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Summary:Objective: The associations between duration of second stage of labor, pushing time and risk of adverse neonatal outcomes are not fully established. Therefore, we aimed to examine such relationships. Study design: A population-based cohort study including 42 539 nulliparous women with singleton infants born in cephalic presentation at ⩾37 gestational weeks, using the Stockholm-Gotland Obstetric Cohort, Sweden, and the Swedish Neonatal Quality Register, 2008 to 2013. Poisson regression was used to analyze estimated adjusted relative risks (RRs), with 95% confidence intervals (CIs). Outcome measures were umbilical artery acidosis (pH
ISSN:0743-8346
1476-5543
1476-5543
DOI:10.1038/jp.2016.214