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': 'In a 45 years old lady with polymenorrhoea for 6 months duration best line of management is : \nSelect and explain. \nA. Progesterone for 6 months, B. OCP for 6 months, C. Dilation and curettage, D. Hysterectomy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is b i.e. OCP's for 6 months", 'role': 'assistant'}]