This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Child Psychiatry, Subject name: Psychiatry
Which of the following disease in seen only in females? 
Select and explain. 
A. Autism, B. Asperger's syndrome, C. Rett's disease, D. Cotard disease
C: Rett's disease
Answer: C: Rett's disease 
Explanation: Rett's syndrome was earlier believed to occur exclusively in females, however of late males with similar presentation have been described. Rett's disorder is characterized by loss of social skills after a period of typical functioning as well as hand-wringing and breathing abnormalities