The labia minora are located under the labia majora, which extend downward from the mons pubis. The space between the two labia minora is known as the vestibule, which is mainly occupied by the vaginal opening, or the vaginal introitus. In individuals who have not yet had sexual intercourse, the introitus is typically covered by a membrane of connective tissue known as the hymen. This tissue is often torn during the first coitus. However, it can also be broken by a sudden fall; by insertion of a vaginal tampon; or by participation in various sports, such as horseback riding and cycling. In some individuals, the hymen can persist even after coitus, especially if the tissue is flexible. Therefore, the presence or absence of a hymen is not a reliable indicator of sexual experience.
