Core Tip: After pregnant women are diagnosed with vaginitis, they must use it with caution under the guidance of a doctor, and try to choose drugs that are harmless or have less impact on the fetus. Do not blindly use medication, let alone abuse antibiotics or hormone drugs. Medications can cause birth defects. During pregnancy, women\’s vaginal secretions increase significantly, the pH of the vagina is destroyed, and women sweat excessively. They are prone to vaginitis, among which fungal vaginitis is the most common.