A health care provider may not knowingly and without the consent of the parent, guardian, or custodian of the minor engage in or cause any of the following practices to be performed on a minor if the practice is performed for the purpose of attempting to alter the appearance of, or affirm the minor’s perception of, the minor’s gender or sex and the appearance or perception is inconsistent with the minor’s sex: (1) prescribing or administering gonadotropin–releasing hormone analogues or other synthetic drugs used to stop luteinizing hormone and follicle–stimulating hormone secretion, synthetic antiandrogen drugs used to block the androgen receptor, or any drug to suppress or delay normal puberty; (2) prescribing or administering testosterone, estrogen, or progesterone in an amount greater than would normally be produced endogenously in a healthy individual of that individual’s age and sex;