This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'All of the following are used for postpaum hemorrhage except : \nSelect and explain. \nA. Misoprostol, B. Carboprost, C. Mifepristone, D. Methergine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mifepristone', 'role': 'assistant'}]