[Cervical ripening after previous cesarean section with dinoprostone vaginal insert]

Area of Science:

• Obstetrics and Gynecology
• Maternal-Fetal Medicine
• Reproductive Medicine

Background:

• Cervical ripening is crucial for labor induction, especially in women with a scarred uterus (20% of pregnant women in France).
• Optimal methods for cervical ripening in women with prior cesarean delivery remain debated.
• Dinoprostone is a commonly used agent for cervical ripening.

Purpose of the Study:

• To evaluate the efficacy and safety of dinoprostone for cervical ripening in women with a previous cesarean section.
• To determine the rate of vaginal delivery and associated maternal and neonatal complications.

Main Methods:

• Retrospective, single-center study conducted from 2010 to 2014.
• Inclusion of 269 patients with a medical indication for labor induction and a scarred uterus.
• Cervical ripening achieved using dinoprostone (Propess® and/or Prostine®) in women with an unfavorable cervix (Bishop score < 6).

Main Results:

• A 62% overall rate of vaginal delivery was observed.
• Use of more than one prostaglandin was associated with a significantly higher cesarean rate (55.6% vs. 44.4%, P=0.0043).
• Maternal complications included 4% postpartum hemorrhage and 0.7% uterine rupture; neonatal complications included 1% severe umbilical artery acidosis and 1% NICU admission.

Conclusions:

• Dinoprostone is an effective method for cervical ripening and labor induction in women with a history of cesarean section.
• The safety profile of dinoprostone in this population is comparable to other labor induction methods.
• Further research may explore optimizing dinoprostone use to minimize cesarean rates.