Absoluyely, and it shouldn't just be limited to transgender people.
Appendicitis? Well, maybe, but we withhold the rights from parents/doctors to administer drugs/perform life altering surgeries on minors. That's it.
Come back to us when you're 18 and we'll see.
Cancer? Hmm, OK, but probably best wait til you're 18 before we address it, parents and doctors can't be trusted to make these decisions.
I mean, it's not like anything happens between the ages of, let's say, 12-18, in a persons development that could result in major psychological trauma for someone who is transgender.
Absolutely, come back when you're 18.
Now, in the meantime, could I interest you in an AR15?