Patients are not recommended to masturbate during menstruation. Masturbation during menstrual period may cause some adverse effects on patients. There are two main aspects: First, masturbation during menstrual periods is particularly easy to cause infection. Women have blood in the vagina during menstrual periods. Blood is the best cubes for bacteria. If you don&39;t pay attention to hygiene during masturbation, it is very easy to cause infection. Especially when using masturbation to enter women&39;s vagina, it is more likely to cause infection, and the infection of this vagina can easily cause uplifting infections and cause pelvic inflammatory diseases. Pelvic inflammatory diseases will not only affect the health and sexual life of patients, but also affect the fertility of patients. Second, patients with vaginal bleeding during menstrual periods are particularly easy to cause endometriosis. Patriotic symptoms and so on.