Ovulation bleeding is not good, although ovulation bleeding is not a serious menstrual irregularity, but a small amount of bleeding in the middle of two menstrual periods, which can not be considered a very normal situation. Ovulation bleeding can lead to vaginal flora disorders and indirect infertility, as follows: 1, vaginal flora disorders: in the ovulation bleeding, although the amount of small, short time, but relatively speaking, more than normal menstruation a few days of bleeding, the vaginal environment to some changes. During vaginal bleeding, women are more prone to infections. Under normal circumstances, there is a balance of bacteria in the vagina, mainly under the action of Lactobacillus, which produces a large amount of lactic acid and maintains the acidic environment of the vagina, which is the only way for the vagina to have a certain degree of immunity, and will not lead to diseases. But the blood is alkaline, easy to breed bacteria during the bleeding period, bleeding time is longer will be easy to cause infection.2, indirect infertility: ovulation bleeding will also affect the coitus, so in the vaginal bleeding period can not coitus, coitus is more likely to aggravate the infection of women. Bleeding during ovulation may lead to not being able to have intercourse, thus indirectly causing infertility. For ovulation bleeding, if there is a requirement for conception, if the bleeding is heavy, or if the bleeding lasts for more than 4-5 days, appropriate treatment is recommended.