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: Psychiatry
[{'content': "All of the following are true about Rett's disease, Except : \nSelect and explain. \nA. Regression of milestones occur after 5 months, B. Microcephaly is seen, C. Mental retardation is present, D. More common in males", 'role': 'user'}, {'content': "Answer: D \nExplanation: Rett's disease is more common in females.", 'role': 'assistant'}]