It's not a separate process. Many women need more clitoral stimulation than they might be getting from intercourse. It might depend on very practical things like the shape of the partner's penis, the shape of the sex toy or foreplay or all of the above. For a lot of women, the clitoris is an important part. During intercourse and penetration, sometimes movement tugs on the inner lips and stimulates the clitoris.
Some women can have an orgasm if there's more of a grinding movement, for instance.
These things are often a manner of adjustment for partners, like finding out what might be getting in the way. It's always good to start with the practical. That's a significant percentage. When Your Friend Says She's Gay Jessi on how to support your friend's coming out of the closet. Your STD Survival Guide Get outta denial and into the know with these quizzes, tips and true stories.