We don't really know what the root cause is. There are some correlations that indicate possible environmental influences, and others that suggest it's related t

We don't really know what the root cause is. There are some correlations that indicate possible environmental influences, and others that suggest it's related to other developmental conditions. For instance, in https://archive.is/ODLZ4 https://archive.is/ODLZ4, a recent article on gender identity services in the UK, the author notes that: "In 2000, the only clinical audit of patients ever carried out by Gids found that more than 25 per cent of referrals had spent time in care, compared with 0.67 per cent of the general population. Children referred to Gids were ten times more likely than the national average to have a registered sex offender as a parent, while 42 per cent had lost a parent through death or separation, and 70 per cent had more than five 'associated features' such as anxiety, depression, abuse, self-harm, bullying, eating disorders or suicide attempts." But since so many health services switched to an 'affirmation-only' model, and transgenderism has been elevated to a supposed civil rights issue, there has been a distinct lack of curiosity in researching this further.