This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders in Menstruation, Subject name: Gynaecology & Obstetrics
[{'content': 'All of the following are raised in PCOS except \nSelect and explain. \nA. E2 :E1, B. LH :FSH, C. LDL :HDL, D. Fasting serum insulin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. E2 :E1 Ref: Shaw gynae 15th/ed, p370 Table 38.1In PCOS:* E1 :E2 Ratio is increased not E2 :E1 * LDL:HDL Ratio is increased* LH:FSH Ratio is increased* Fasting insulin levels were raised* Fasting glucose/insulin ratio is decreased <4.5', 'role': 'assistant'}]