Here's what happened when Florida decided to do a natural experiment on its citizens and cut off thousands of trans adults from their established HRT prescriptions: https://thecut.com/article/andrea-montanez-trans-rights-healthcare-florida.html
Andrea Montanez: From Undercover Cop to Trans Rights Leader

Andrea Montanez went head-to-head with Pablo Escobar. Now, she’s taking on Ron DeSantis to win back trans rights in Florida. Reporter Aviva Stahl profiles Montanez and her journey from Colombian cartel cop to one of Florida’s trans rights leaders.

The Cut