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Criteria for failed labor induction: prospective evaluation of a standardized protocol
1Center for Research on Women's Health, Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama, USA.
Obstetrics and Gynecology
|October 24, 2000
Summary
A 12-hour oxytocin protocol after membrane rupture safely increased vaginal deliveries for women with failed labor induction. This approach reduced cesarean rates, particularly for nulliparous women, and eliminated it for parous women.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Labor and Delivery Management
Background:
- Failed labor induction is a common indication for cesarean delivery.
- Protocols for managing the latent phase of labor vary, impacting delivery outcomes.
Purpose of the Study:
- To evaluate a protocol mandating 12 hours of oxytocin after membrane rupture before diagnosing failed labor induction.
- To assess the safety and efficacy of this extended latent phase management on cesarean delivery rates.
Main Methods:
- Prospective study of 509 women undergoing indicated labor induction with cervical dilation up to 2 cm.
- Exclusion of women with prior cesarean delivery.
- Cesarean delivery was deferred until active labor unless 12 hours of oxytocin and ruptured membranes were completed.
Main Results:
- Twenty-five percent of nulliparous women and 9% of parous women delivered via cesarean.
- A significant proportion of nulliparous women achieved vaginal delivery after 6 and 9 hours of oxytocin.
- No serious maternal complications or significant neonatal morbidities were observed.
Conclusions:
- A minimum of 12 hours of oxytocin after membrane rupture safely facilitated vaginal deliveries in nulliparous women.
- This protocol effectively eliminated failed labor induction as an indication for cesarean delivery in parous women.