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: Pharmacology
[{'content': 'The following drugs are used in the management of Postpartum Hemorrhage, except: \nSelect and explain. \nA. Oxytocin, B. Methyl ergometrine, C. Mifepristone, D. Carboprost', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]