That is a touchy subject.

For most of what you want you will have to do some hunting. There is a content broker that caries this stuff, but I'm not sure I can mention it here; I know I can't link to it. I'm hoping the mods wont give me grief for mentioning rendererotica. And it has the sort of gynecological models and skins you are wanting, but IMHO there is only one use for such and that is Poserporn, not something that will garner any respect around here.