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': 'Best method of post coital contraception is : \nSelect and explain. \nA. IUCD, B. High Estrogen pils, C. High progestin pils, D. Androgens', 'role': 'user'}, {'content': 'Answer: C \nExplanation: High progestin pils', 'role': 'assistant'}]