Okay, sorry, definitely not looking to offend but ...
If this becomes a template and girls with uncertain identities end up receiving very early puberty blockers and cross-sex hormones [...]
Genuinely naive here: I would have reckoned that, after a certain period on x-sex hormones you'd stop ovulating and hence become unable tonget pregnant.
If you went off your meds, would you still be growing a beard, though?
Again, sorry, not looking to be goady. I just read this and it didn't ... make sense?