Pregnant women with bacterial vaginitis can be treated with vaginal douching if the symptoms are not serious. Clinically, there are more drugs for vaginal douching, such as cypress lotion, red nucleus feminine cleansing lotion, gynecologic cleansing, etc., douching the vagina 1-2 times a day. If the symptoms of vaginitis are more serious, you can cooperate with the vaginal medicine for treatment, such as metronidazole, clotrimazole suppositories, etc., once a day. If pregnant women in the middle of pregnancy, the fetus more than 3 months infected with bacterial vaginitis, in addition to vaginal douching with vaginal medicine, you can also take oral metronidazole for treatment. However, it is important to note that oral metronidazole should not be taken in the first 1-3 months of pregnancy, otherwise it may lead to malformation of the fetus. In addition to medication, pregnant women should keep their vulva clean and change their underwear every day.