This state or any political subdivision of this state may not knowingly engage in or cause any of the following practices to be performed on a minor if the practice is performed for the purpose of changing a minor's appearance or body to no longer correspond to the minor's biological sex without first obtaining written informed consent of a parent or legal guardian of the minor: [...] Prescribing or administering testosterone, estrogen or progesterone to a minor in an amount greater than would normally be produced endogenously in a healthy individual of that minor's age and biological sex.

A health professional as defined in section 32-3201 may not knowingly engage in conduct that aids the practices described in subsection a of this section being performed on a minor without written informed consent of a parent or legal guardian of the minor.