Ohio Rev. Code § 3109.054: Parental decisions regarding child's gender identity and gender transition.

When allocating parental rights and responsibilities or parenting time, no court shall deny or limit a parent's parental rights and responsibilities or parenting time based on the parent's decision to do any of the following:

(A) Refer to and raise the child in a manner consistent with the child's biological sex;

(B) Decline to consent to the child receiving gender transition services as defined in section 3129.01 of the Revised Code;

(C) Decline to consent to the child receiving counseling or other mental health services for the purpose of affirming the child's perception of the child's gender or sex, if the child's perception is inconsistent with the child's biological sex.