When the relationship is in full swing, in order to prove that both parties love each other, choose unlimited sex, and sometimes women's periods are inevitable. However, women who have sex during menstruation are very harmful, and if you cherish women, you should stop this behavior. What is the harm of having sex during menstruation to women? What are the dangers of having sex during menstruation to women? 1. Multiply bacteria to get gynecological diseases Many people have sex during a woman's period just to avoid contraception, let alone wear condoms. Without condoms, sex during menstruation in women, bacteria follow the male penis into the female vagina. During menstruation, there is menstrual blood in the vagina, which becomes a natural culture disc for bacteria, and the multiplication of bacteria is also reasonable. The bacteria continue to travel, spread to other parts of the body, spread outward to infect the vulva, spread inward to infect the uterus and cervix in women, ...