This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'For the following explanations for hirsutism, select the most likely cause.Can be associated with anovulation, obesity, and amenorrhea. \nSelect and explain. \nA. drugs, B. adrenal tumor, C. polycystic ovarian disease (PCOD), D. idiopathic hirsutism', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The most severe form of PCOD, Stein-Leventhal syndrome, is associated with chronic anovulation, hirsutism, enlarged cystic ovaries, obesity, and amenorrhea. The spectrum of disease, however, is quite wide, and some patients have only mild hirsutism.', 'role': 'assistant'}]