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': 'Oral contraceptive pill containing progesterone which is given in small quantities for 30 days a month is known as : \nSelect and explain. \nA. Micro pill, B. Sequential pill, C. Combined pill, D. None of the aboveq', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Micro pill', 'role': 'assistant'}]