This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Physiology & Histology, Subject name: Gynaecology & Obstetrics
[{'content': 'Ovulation occurs: \nSelect and explain. \nA. Before LH surge, B. After biphasic rise in body temperature, C. After ripening of follicle by FSH, D. Before estrogen peak', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c, i.e. After ripening of follicle by FSHThe question is very simple as ovulation occurs after LH surge and estrogen peak and because of ovulation there is biphasic rise in temperature.', 'role': 'assistant'}]