Fertility and Transition
Some trans men can become pregnant if they transitioned after puberty, but those on puberty blockers may face infertility risks. While most people who transition do not regret their decisions, there are concerns about the timing of medical interventions. The evidence suggests that gender identity is largely genetic and not a choice, emphasizing the importance of supporting kids in exploring their identities.In this clip
From this podcast

Science Vs
The Science Of Being Transgender
Related Questions
What do doctors say about the risks of children using hormone blockers in the episode The Science Of Being Transgender and the clip Fertility and Transition?
What do doctors say about the risks of children using hormone blockers in the episode The Science Of Being Transgender and the clip Transitioning Kids Safely?
What do doctors say about the risks of children using hormone blockers in the episode "The Science Of Being Transgender" and the clip "Transitioning Kids Safely"?