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Pregnancy
Gestational Age
Birth Weight
Parity
Pregnancy Outcomes
Risk Factors
Cohort Studies
Caesarean Section
Retrospective Studies
Maternal Age
Time Factors
First Labor Stage
Newborn Infant
Obstetric Delivery
Labor, Induced
United States
Pre-Eclampsia
Vaginosis, Bacterial
Misoprostol
Nonsteroidal Abortifacient Agents
Co-Publications
17
16
10
7
6
5
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