Trial of Cervical Ripening and Labor Induction Using Misoprostol With or Without Intravaginal Isosorbide Mononitrate

Misoprostol 50 micrograms orally then 100 micrograms every 4 hours for up to four doses until modified Bishop score of 8 or higher was observed vs. the same misoprostol dosing plus isosorbide mononitrate 40 mg vaginally every 6 hours up to two doses total until a modified Bishop sore of at least 8 was observed