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': 'LH : FSH ratio in women with polycystic ovarian disease is \nSelect and explain. \nA. 1:02, B. 2:01, C. 1:01, D. 3:01', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Altered GnRH pulsatility leads to preferential production of LH compared to FSH.', 'role': 'assistant'}]