However, transsexuality or gender dysphoria remain reasons for dismissal according to Army regulations. It does not include transsexuality or transgender people. The Tripitaka does, however, contain passing references to homosexuality and transsexuality. Transsexuality is classified as a psychiatric disorder. In the 1980s female to male (FTM) transsexuality became more broadly known. Only 23% of childhood gender problems will result in transsexuality in adulthood. A strong recurring theme is transsexuality, especially the removal of male genitalia. Psychiatrist and sexologist David Oliver Cauldwell argued that transsexuality was caused by multiple factors. As for transsexuality, this would be placed under gender diversity. The Constitutional Court has indicated that "sexual orientation" includes transsexuality. Due to relatively small population sizes, generalizability of studies on transsexuality cannot be assumed. The film is a docudrama about cross-dressing and transsexuality, and is semi-autobiographical in nature. Another study suggests that transsexuality may have a genetic component. The causes of transsexuality have been studied for decades. In 1980 she recorded the first documentary on transsexuality for TVE2.