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': 'The presence of lutein cysts in vesicular mole is due to excess : \nSelect and explain. \nA. FSH, B. LH, C. Oestrogen, D. HCG', 'role': 'user'}, {'content': 'Answer: D \nExplanation: HCG', 'role': 'assistant'}]