Masturbating by stimulating your clitoris and vulva won't stretch open your hymen. But using tampons, doing gymnastics, and riding bicycles or horses can. These are some of the reasons many women who have never had vaginal intercourse have very little hymenal tissue in the opening of their vaginas.
Does female masturbation effect virginity?
Female masturbation does not affect your virginity. Inserting toys or fingers into the vagina while masturbating usually does not break the hymen. Penetration can stretch a hymen in some cases. ... This is a form of external masturbation that won't cause a woman's hymen to stretch.
How do you know if your hymen is still there?
Quick facts about hymens
You cannot tell by looking at a hymen whether sex has occurred (consensual or non-consensual). The size of the opening in your hymen is irrelevant, unless it is so small and causes blood flow obstruction and pain (then you need to see a doctor).