Re: Loose?
I don't think so, but even if it's true as a generalization, it need not be true with any one person. You can strengthen your pc muscles with proper exercise, and for a woman that means tighter.
Except for some adolescent and early adult rapes, my ex was a virgin when we met. She was very loose, but with some pc toning tightened up noticeably. My "new" wife is 50 (42 when we met), has given birth once and has had an active sex life since her teens (before that if you count early childhood sexual abuse), yet she's as tight as anyone I've ever been with.