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
Sex reassignment surgery is done in ? 
Select and explain. 
A. Gender identity disorder, B. Premature ejaculation, C. Erectile dysfunction, D. Orgasmic dysfunction
A: Gender identity disorder
Answer: A: Gender identity disorder 
Explanation: Ans. A. Gender identity disorderMany persons with gender identity disorder have sought sex-reassignment surgery, that is, physical change that is constant with their cross sexual identity.