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': 'Metropathia hemorrhagica is best treated by : \nSelect and explain. \nA. Curettage of uterus, B. Progestogen, C. Oestrogen, D. Clomiphene', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Progestogen', 'role': 'assistant'}]