The formal term for bacterial vaginitis is bacterial vaginosis. Mild bacterial vaginosis is not serious, such as severe bacterial vaginosis is relatively serious and needs to be treated as soon as possible. Bacterial vaginosis is an inflammatory condition caused by anaerobic and gartnerella infections, which can cause symptoms such as increased leukorrhea, fishy odor and itching discomfort. Pregnant women suffering from bacterial vaginosis if the condition is not serious, just confined to the vagina with inflammation, generally not serious, may cause pregnant women to appear lower body odor and itching discomfort, leukorrhea symptoms, will not endanger the fetus. However, if the vaginitis remains untreated for a long time or the infection goes upward to the uterine cavity, it may lead to intrauterine infection, which may lead to the danger of premature rupture of fetal membranes, miscarriage or preterm labor. Pregnant women checked out with bacterial vaginosis regardless of the severity of the timely treatment, under the guidance of the doctor can use potassium permanganate cleaning, with the use of clindamycin vaginal emulsion treatment, during the period of treatment prohibit coitus, do not eat stimulating food, and so on.