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': 'The commonest cause of Enuresis in children is - \nSelect and explain. \nA. Urinary tract infection, B. Spina bifida, C. Psychologic stress, D. None', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is None o Genetic factors are the most common etiology for enuresis. Nelson o Beyond genetic factors, the cause of enuresis likely involves a complex web of physiologic and perhaps psychologic factors.', 'role': 'assistant'}]