...34% of women were victims of sexual coercion by a husband or intimate partner in their lifetime.
Kathleen C. Basile, Prevalence of Wife Rape and Other Intimate Partner Sexual Coercion in a Nationally Representative Sample of Women, 17 Violence and Victims 511 (2002).
Yes, their own husbands, boyfriends, and babydaddies. Yes, grown women can be sexually abused, although we only call it sexual abuse when it has to do with children and the differently abled.
Rape prevention aimed at women cannot stop this. Men Can Stop Rape. And until this is mandatory, I will continue to believe that men don't give a shit.