This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'Ramkali, a 37-year-old, is a case of polycystic ovary disease. LH/FSH estimation has to be done in which pa of the menstruation cycle \nSelect and explain. \nA. 1-4 days, B. 8-10 days, C. 13-15 days, D. 24-26 days', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pre-ovulatory, LH, FSH level will need to be estimated Menstrual 1-3 days Preovulatory 8-10 days Ovulatory -13-15 days Post-ovulatory or premenstrual- 26-28 days', 'role': 'assistant'}]