Castor oil for labor initiation in women with a previous cesarean section: a double-blind randomized study.

To evaluate the efficacy of castor oil in initiation of labor in women who had one previous cesarean section. This study was conducted as a trial to increase the rate of vaginal birth after cesarean (VBAC) and decrease the rate of elective repeated cesarean section (ERCS). A double-blinded randomized controlled study was conducted in an Egyptian University Hospital from July 2019 to July 2020.