Simply not true;
{
Transgender individuals who undergo gender-affirming medical or surgical therapies are at risk for infertility. Suppression of puberty with gonadotropin-releasing hormone agonist analogs (GnRHa) in the pediatric transgender patient can pause the maturation of germ cells, and thus, affect fertility potential. Testosterone therapy in transgender men can suppress ovulation and alter ovarian histology, while estrogen therapy in transgender women can lead to impaired spermatogenesis and testicular atrophy. }
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6626312/
The social phenomenon of transgenderism is based on a complete rejection of the scientific method and scientific fact.
No one but the parent has any right to push belief systems on children.