[In reference to cases of testicular feminization]: “The incredible lesson about our sexual biology is that all men at one point in their fetal development have the capacity to be women. Moreover the body is programmed to develop as a female unless it sees and recognizes specific biochemical signals such as testosterone and anti-mullerian factor that tell it to develop as a male.
Abraham Morgentaler, Why Men Fake It: The Totally Unexpected Truth About Men and Sex
gender, sex