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
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 
Select and explain. 
A. 1-4 days, B. 8-10 days, C. 13-15 days, D. 24-26 days
B: 8-10 days
Answer: B: 8-10 days 
Explanation: 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