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': 'Following can cause endometrial cancer: \nSelect and explain. \nA. Metropathia hemorrhagica, B. Gynandroblastoma, C. Dysgerminoma, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Endometrial cancer is mainly caused by excessive estrogen\n\nMetropathia hemorrhagica is the same as cystic glandular hyperplasia and is a causative factor for endometrial cancer. Ref Dutta Gynae 5th /ed p 184\nGynandroblastoma is a virilising tumor which secretes androgens (not estrogens) and so does not lead to endometrial cancer \xa0Ref. Shaw 14th /ed p 34\nDysgerminoma is a neutral tumor which does not secrete either male or female sex hormones but secretes placental alkaline phosphates, LDH and BHCG and therefore does not lead to endometrial cancer.\xa0- Ref Shaw 14th /ed 3386', 'role': 'assistant'}]