Gynaecology & Obstetrics Misoprostol has been found to be effective in all of the following except: A Missed aboion. B Induction of labour. C Menorrhagia. D Prevention of post-paum hemorrhage (PPH). 💡 Explanation Misoprostol has been found to be effective in all of the following except: ✓ Correct Answer: C. Menorrhagia.