During pregnancy, a child can be wanted if it is simple BV positive. This is a kind of bacterial vaginitis, and mild cases will not cause direct effects on the fetus. Topical medication can be used under the guidance of a doctor to treat Bacillus gattii infection, but you should not use the medication blindly on your own, or it may affect the fetus. In terms of choosing medication, drugs that have an effect on the fetus should be avoided. Patients with milder conditions can recover completely through topical medication. However, if the condition is more serious, it may cause adverse complications, such as chorioamnionitis, amniotic fluid infection, premature rupture of membranes, preterm labor, and post-partum intrauterine infection. Bacterial vaginitis affects pregnant women to a greater or lesser extent, depending on the extent of the disease, as well as the virulence of the pathogenic bacteria, and the individual’s immune system. From a health point of view, if the body has a disease, it should be treated with anti-inflammatory treatment first, and then prepare for pregnancy after the body recovers.