This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Gynaecology & Obstetrics
[{'content': "Which of the following's not used as an emergency of contraception? \nSelect and explain. \nA. Danazol, B. Copper T, C. RU 486, D. OCpill", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Emergency Contraceptives Levonorgestrel (POP): 1 dose 1.5 mg within 72 hrs Copper IUDs( NOT THE DOC ):Inseion within 5 days Ulipristal acetate (SPRM) : 30 mg orally within 120 hours Ethinyl estradiol 50 ug + Norgestrel 0.25 mg (COC) : 2 tab stat and 2 after 12 hour Mifepristone RU 486 (PA) : 25 to 100 mg single dose', 'role': 'assistant'}]