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Published on: June 6, 2020
Indications contributing to the increasing cesarean delivery rate
Emma L Barber1, Lisbet S Lundsberg, Kathleen Belanger
1From the Department of Obstetrics, Gynecology, and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut; Center for Perinatal, Pediatric, and Environmental Epidemiology, Yale School of Public Health, New Haven, Connecticut.
Cesarean delivery rates rose significantly due to increased primary cesareans. Subjective indications like nonreassuring fetal status drove this rise more than objective factors.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Public Health
Background:
- Cesarean delivery rates have been increasing globally.
- Understanding the specific indications driving this trend is crucial for clinical practice and policy.
Purpose of the Study:
- To investigate physician-documented indications for cesarean delivery.
- To identify factors contributing to the rising cesarean delivery rate.
Main Methods:
- Analysis of 32,443 live births at an academic hospital (2003-2009).
- Examination of primary and repeat cesarean delivery rates and indications.
- Modeling of time trends for each indication to assess relative contributions to the cesarean rate increase.
Main Results:
- Cesarean delivery rate increased from 26% to 36.5% between 2003 and 2009.
- Primary cesarean deliveries accounted for 50% of this increase.
- Indications such as nonreassuring fetal status (32%), labor arrest (18%), and multiple gestation (16%) showed the largest increases.
Conclusions:
- Primary cesarean births are the main driver of the overall cesarean rate increase.
- Subjective indications (e.g., nonreassuring fetal status, arrest of dilation) contributed more significantly to the rise in primary cesareans than objective indications.
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