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': 'Drugs used in emergency contraception : \nSelect and explain. \nA. Levonorgestrel, B. Estrogen + progesterone, C. Danazol and Mifepristone, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is a, b and c i.e. Levonorgestrel; Estrogen +Progesterone; Danazol; and Mifepristone Emergency contraceptives are : Ethinyl oestradiol * Conjugated oestrogen Ethinyl oestradiol + Levonorgestrel * Levonorgestrel Mifepristone * Copper IUCD's Danazol", 'role': 'assistant'}]