There have always been a very few children who are unhappy with their bodies and need psychiatric help because of their distress. The Gender Identity clinic at the Tavistock publishes their figures.
In 2009/10 56 boys and 40 girls were referred.
In 2017/18 713 boys and 1806 girls were referred.
The government has announced an inquiry into why there has been such a huge increase in referrals, especially for girls. There is evidence emerging that girls who never showed any signs of gender confusion in childhood are declaring themselves transgender or nonbinary in adolescence, and it's happening in clusters, with whole friendship groups transitioning in rapid succession. It's called Rapid Onset Gender Dysphoria.
The distress many adolescent girls feel as they go through puberty and adjust to being young women in a sexist world is entirely understandable. We all know it can be a very grim time. Young women are very prone to self-harm, eating disorders, anxiety and other destructive behaviour. Binding the breasts and taking testosterone may be another manifestation of that. Transactivists would say no, but it's such a rapid change in society and potentially so damaging to these young women that it does need investigation.
We live in a very pressured world these days for young people. Schools are very target-driven, which is no doubt one reason girls' mental health is so poor. Girls have to contend with having their lives and all their friends' lives played out on social media, lots of selfies so great pressure to look a certain way. Young people are exposed to porn from a shockingly early age, and there appears to be expectation from some boys that girls will submit to/carry out sex acts which a few years ago would have been regarded as extreme, without any corresponding expectation that the girls will enjoy it. Even some evidence that boys who've watched a lot of porn have come to believe that girls crying is an essential part of sex. Epidemic of sexual violence in schools.
No wonder many girls are opting out of womanhood. The Guides could be a big part of addressing these issues if they remained single sex. It's a great shame they've abandoned that principle.