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Updated: Jul 15, 2026
07:28
Controlled Cervical Laceration Injury in Mice
Published on: May 9, 2013
Cervical lacerations: some surprising facts.
Reshma Parikh1, Susan Brotzman, James N Anasti
1Department of Obstetric-Gynecology, St. Luke's Hospital and Health Network, 801 Ostrum St, Bethlehem, PA 18092, USA.
American Journal of Obstetrics and Gynecology
|May 1, 2007
Summary
Cervical lacerations occur in 0.2% of vaginal births. Cervical cerclage and labor induction significantly increase this risk, while operative vaginal delivery does not appear to be a risk factor.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Research
- Maternal Health
Background:
- Cervical lacerations are a potential complication of vaginal delivery.
- Understanding their incidence and risk factors is crucial for improving obstetric outcomes.
Purpose of the Study:
- To determine the incidence of cervical lacerations following vaginal delivery.
- To identify associated risk factors for cervical lacerations.
Main Methods:
- Retrospective chart review of vaginal deliveries over a 5-year period.
- Statistical analysis including chi-squared test, Bonferroni correction, relative risk, P values, and confidence intervals.
Main Results:
- An incidence of 0.2% for cervical lacerations was observed (32 cases out of 16,931 deliveries).
- Cervical cerclage showed an 11.5-fold increased risk (95% CI 4.1-33.3).
- Labor induction demonstrated a 3.1-fold increased risk (95% CI 1.5-6.7).
- Vacuum and forceps deliveries were not significant risk factors.
Conclusions:
- Cervical lacerations are associated with cervical cerclage and induction of labor.
- No significant association was found between cervical lacerations and operative vaginal delivery.
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