This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'In Medical termination of pregnancy, according to FDA, Misoprostol is given after how many hours of Mifepristone? \nSelect and explain. \nA. 24 hours, B. 48 hours, C. 72 hours, D. 96 hours', 'role': 'user'}, {'content': 'Answer: B \nExplanation: FDA approved protocol - (Original protocol) 600 mg of mifepristone (i.e., 3 tablets) given orally on day 1 followed 2 days (48 hours) later by oral misoprostol 400 tig (2 tablets) on day 3. The treatment should be staed no more than 48 days from the sta of the last menstrual period. But according to the recent protocol 200 mg of mifepristone (it is as effective as 600 mg of mifepristone) is given orally on Day 1 followed 2 days (48 hours) later by vaginal misoprostol 800 pg. This regime provides highest efficacy within 63 days of amenorrhea. Ref : Dutta book of obstetrics 8th Ed', 'role': 'assistant'}]