Renaming the Hymen: Vaginal Corona
"Many people wrongly believe that the vaginal corona is a thick membrane that entirely covers a woman’s vaginal opening and ruptures the first time you have intercourse or any kind of insertive vaginal sex. The myth goes like this: If a bride doesn’t bleed from a ruptured hymen on her wedding night, this means that she has had sex and isn’t a 'virgin.' This is not true."
Read full article by Anatomy and Menstruation Contributors (Our Bodies, Ourselves)