What causes Autogynephilia? (AGP)

Autogynephilia (AGP) is ‘a man’s propensity to be aroused at the thought or image of himself as a woman’ (Blanchard) and it is the cause of all non-homosexual gender dysphoria in males. But what actually causes it? The key to this lies in first understanding that there is nothing at all unusual about a male with AGP, other than the AGP itself.

AGP has five recognised forms, transvestic, anatomical, physiological, behavioural and interpersonal, and these may occur in combination. Men with it have...