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: Pharmacology
[{'content': 'Most common side efiect of mifepristone \nSelect and explain. \nA. Fever, B. Headache, C. Diarrhea, D. Rash', 'role': 'user'}, {'content': "Answer: C \nExplanation: Mifepristone (RU 485) It is a 19 norsteroid with potent antiprogestational and significant antiglucocoicoid and antiandrogenic actitity.It is used in termination of pregnancy, cervical ripening postcoital contraceptive, once a month contraceptive, in induction of labour and to treat cushing's syndrome.Commonly repoed side afects include vaginal bleeding, cramping, nausea, vomiting, diarrhea, dizziness, back pain & tenderness.", 'role': 'assistant'}]