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': 'Adequate steroidogenesis in corpus luteum depends on serum levels of \nSelect and explain. \nA. GnRH, B. FSH, C. LH, D. Oestrogen', 'role': 'user'}, {'content': 'Answer: C \nExplanation: LH levels in serum, determine adequate steroidogenesis in corpus Luteum.', 'role': 'assistant'}]