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: Anatomy
[{'content': 'Which is raised in polycystic ovarian syndrome? \nSelect and explain. \nA. 17-a1pha-OH-progesterone, B. FSH, C. LH, D. TSH', 'role': 'user'}, {'content': 'Answer: C \nExplanation: PCOS includes chronic non-ovulation and hyperandrogenemia associated with normal or raised estrogen (E2), raised LH, and low FSH/LH ratio. Age - 15-25 years Features- The raised E2 level causes negative feedback to pituitary resulting in diminished FSH, but raised LH. The involvement of adrenal glands is seen in raised androstenedione, dehydroepiandrosterone, testosterone and 17-alpha-Hydroxy-progesterone.', 'role': 'assistant'}]