This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'Endometrial hyperplasia is seen in \nSelect and explain. \nA. Endodermal sinus tumour, B. Dysgerminoma, C. Polycystic ovarian disease, D. Carcinoma of cervix', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Polycystic ovarian disease - endometrial hyperplasia due to high content of estrogen, largely estrone, by extraglandular aromatization of circulating androstenedione.', 'role': 'assistant'}]