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': 'The biochemical changes in established cases of Stein-Leventhal syndrome are as mentioned except: \nSelect and explain. \nA. Marked elevation of LH in contrast to FSH, B. Insulin resistance, C. Elevation of plasma testosterone, D. Elevation. in the level of sex hormone binding globulin (SHBG) level', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In PCOS (stein leventhal syndrome) the levels of SHBG decrease.', 'role': 'assistant'}]