Pregnant women infected with Gardnerella, will cause bacterial vaginitis, mild condition generally will not affect the fetus, serious condition may affect the fetus. 1. Mild: If the bacterial vaginitis is mild, after active treatment, as long as the bacteria do not have upward infection, resulting in uterine infection, the growth and development of the fetus is generally not much impact, only need to receive regular review. 2. Serious condition: If the inflammation is more serious and not treated in time, the bacteria will lead to upward infection, resulting in infection of the cervix and the uterine cavity, or even invade the amniotic fluid, which may affect the growth and development of the fetus, and may cause premature rupture of the membranes, preterm miscarriage, miscarriage, as well as intrauterine infections and other symptoms. Pregnant women infected with Gardnerella are advised to go to a regular hospital for an early examination and have the treatment decided by a specialist.