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: Pediatrics
[{'content': 'Most common cause of delayed pubey in males is ? \nSelect and explain. \nA. Kallaman syndrome, B. Klienfelter syndrome, C. Constitutional, D. Prader-willi syndrome', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Constitutional o Most common cause of delayed pubey is constitutional.", 'role': 'assistant'}]