In the past, the role of laminaria and prostaglandins in cervical dilatation and reducing intraoperative complications of cervical dilatation have been proven . Misoprostol is a synthetic analogue of prostaglandin E1 used to treat and prevent gastric ulcers, which is now widely used in obstetrics and gynecology. Its applications in obstetrics and gynecology include medical abortion in the first and second trimesters of pregnancy.
This study compares the success rate of Adjuvant isonicotinic acid hydrazide and misoprostol versus misoprostol alone for medical termination of first-trimester pregnancy among women with one or more previous cesarean deliveries.