Despite being cis myself, I wish I had the option to delay my puberty a couple years. I stopped growing at 12, and am very short. Even another 2 inches would have only put me in the “almost average” category.
It’s something that doesn’t harm anyone and allows kids to choose another aspect of who they want to be as adults. I’m here for it.
Women/female bodies basically stop growing entirely about 2 years after menarche (first period), regardless when that hits. And once menarche hits they only grow another 1-3 inches, typically.
For some girls, myself included, menarche was around 9 years old (the historical normal age of menarche was around 15 years, as far as we can tell, and that age has been going down in modern history) meaning I didn’t really get a chance to grow before my body stopped being able to do so. I have not grown since I was 12. Had I been able to delay puberty by a few years, I may have ended up average instead of 2 standard deviations below average. On the plus side I can wear kids stuff sometimes.
Male puberty doesn’t work that way quite as dramatically, since puberty includes growth spurts through the early-mid 20s, but eventual adult height for men is still based on the height they are when the growth spurts start.
Here’s a really surface level resource that explains further about female puberty if you are interested in learning more.
https://www.familyeducation.com/teens/puberty-sex/do-girls-stop-growing-when-they-get-their-period