Makes it a federal crime to perform surgeries, give puberty blockers, or give cross-sex hormones to change a minor's sex. Punishable by up to 10 years in prison. Also criminalizes helping or transporting a child for female genital cutting. Religion or custom is not a defense. Minors are not prosecuted. Only narrow medical exceptions apply; mental health alone doesn't count. Would sharply reduce gender-related care for youth and put doctors and some parents at legal risk.