The hymen is a thin membrane that partially covers the opening of the vagina. It is often thought of as a sign of virginity, but this is not always the case. The hymen can be broken through a variety of activities, including tampon use, horseback riding, and vigorous exercise.
There is no medical reason to check if you have a hymen. However, some people may choose to do so for personal reasons. If you are interested in checking if you have a hymen, you can do so by inserting a finger into your vagina. If you feel a thin membrane blocking the opening, then you likely have a hymen.