(C) A victim need not prove physical resistance to the offender in prosecutions under this section.
(D) Evidence of specific instances of the victim's sexual activity, opinion evidence of the victim's sexual activity, and reputation evidence of the victim's sexual activity shall not be admitted under this section unless it involves evidence of the origin of semen, pregnancy, or disease, or the victim's past sexual activity with the offender, and only to the extent that the court finds that the evidence is material to a fact at issue in the case and that its inflammatory or prejudicial nature does not outweigh its probative value.
(C) "Sexual activity" means sexual conduct or sexual contact, or both.
(G) It is not a defense to a charge under division (A)(2) of this section that the offender and the victim were married or were cohabiting at the time of the commission of the offense. (A) No person shall engage in sexual conduct with another, not the spouse of the offender, when any of the following apply:(1) The offender knowingly coerces the other person to submit by any means that would prevent resistance by a person of ordinary resolution.
(2) The offender knows that the other person's ability to appraise the nature of or control the other person's own conduct is substantially impaired.
(5) The offender is the other person's natural or adoptive parent, or a stepparent, or guardian, custodian, or person in loco parentis of the other person.
(6) The other person is in custody of law or a patient in a hospital or other institution, and the offender has supervisory or disciplinary authority over the other person.