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 used in the treatment of endometriosis except : \nSelect and explain. \nA. Progesterone, B. Danazol, C. GnRH, D. Estrogen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d i.e. Estrogen', 'role': 'assistant'}]