system
A chat on subreddit /r/NoStupidQuestions
human
Hormone blockers have been used for decades for various hormonal conditions.  They didn't spring into existence to aid transition. They delay puberty by inhibiting sex hormone production.  That's it.  They absolutely do not cause infertility .
gpt
Yes, so there is also plenty of evidence of the very harmful long term effects it's had on people. Yet many talk about them as it's they're just a pause button with no bad consequences.