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': 'All are risk factors for carcinoma endometrium EXCEPT : All are risk factors for carcinoma endometrium EXCEPT : \nSelect and explain. \nA. Multiple sexual paners, B. Diabetes, C. Hypeension, D. Infeility', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Multiple sexual paners', 'role': 'assistant'}]