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 are used in PPH expe : \nSelect and explain. \nA. Mife pristone, B. Carboprost, C. Misoprostol, D. Ergometrine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Mife pristone', 'role': 'assistant'}]