There is a strong, evidence-based consensus among major medical and mental health organizations, such as the AAP and American Psychological Association, that says supporting a trans child’s identity through a gender-affirming model is essential for their mental health, reducing risks of suicide, depression, and anxiety.
Which is the opposite of what you claim.
https://www.google.com/url?sa=t&source=web&cd=&ved=2ahUKEwjN_LbF7OCTAxVdIEQIHUgSDOoQFnoECHIQAQ&url=https%3A%2F%2Fwww.aap.org%2Fen%2Fnews-room%2Faap-voices%2Fwhy-we-stand-up-for-transgender-children-and-teens%2F%3Fsrsltid%3DAfmBOoq-yODstXQMGnpWNMAEAVyQ9hbIoA5SSRPtCSeMwjRs1SaNf0tf&usg=AOvVaw0qkhSxbKn9EVuGpZDO4J-p&opi=89978449
There is a general consensus amongst the psychiatric community supporting gender affirming care for those under 19.
Here in America, the trump regime is fighting hard against gender affirming care for those under 19.
The psychiatric community is against trumps actions.
https://williamsinstitute.law.ucla.edu/publications/impact-gac-ban-eo/