www.thetimes.co.uk/article/experts-investigate-use-of-puberty-blockers-on-transgender-children-6l695lflf
Excerpts:
The Royal College of Paediatrics and Child Health has asked its committee of experts to look at the ethics around the rapid increase in the use of hormone blockers to treat under-16s who identify as transgender.
Blockers are physically reversible, in that natural puberty will resume if the drugs are discontinued, but their long-term effects on the teenage brain remain unknown. The vast majority of children who begin blockers go on to take cross-sex hormones, which will compromise their fertility, once they reach 16