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': 'Which of the following drugs is not used for pain management in endometriosis \nSelect and explain. \nA. OCPs, B. GnRH agonists, C. Mifepristone, D. Methotrexate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Methotrexate is not used for management of endometriosis', 'role': 'assistant'}]