The hymen is a mucous fold that partially covers the entrance to the vagina. At the first sexual intercourse, it ruptures, which leads to bleeding. We offer some curious and lesser-known facts about the so-called “virgin zipper”. An imperforate hymen is a medical condition. Normally, the hymen has one or more openings that vary in size. In the presence of an imperforate hymen, menstrual blood cannot flow out during menstruation because it cannot pass through the hymen. If the hymen is imperforate, minor surgery may be required. The hymen does not cover the entire vagina. The hymen is a thin tissue that “lies” at the bottom of the vaginal opening. There are different shapes It is normal for the zipper not to be felt as it can have different shapes. If you have trouble locating it, it’s most likely because it’s small. The hymen can be broken during physical activity It is widely believed that the hymen can be broken only when virginity is lost. This is not true as other activities such as cycling and gymnastics can cause it to tear. NEWS_MORE_BOX We may not know when the hymen breaks During sex, it is very likely that we will know when the hymen is broken because it is accompanied by bleeding. During gymnastics, however, we will hardly know. It is possible to find blood spots that can be taken for menstruation. With an intact hymen, it is also possible to get pregnant. The explanation is in the different openings it has. In addition to menstrual blood, sperm can also pass through them.