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: Social & Preventive Medicine
[{'content': 'All of the following are postcoital contraception methods except- \nSelect and explain. \nA. Mifepristone, B. IUD, C. Levonorgestrol, D. Barrier methods', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Barrier methods", 'role': 'assistant'}]