Slight inflammation during pregnancy, such as vaginitis, cervicitis, pelvic inflammatory disease, etc., can be treated through the use of drugs and other methods. 1. Vaginitis: pregnant women often experience vulvar itching and abnormal vaginal discharge. If it is clear that the infection is bacterial, you can use drugs such as metronidazole to treat it, and pay attention to the local hygiene of the vulva at the same time. 2. Cervicitis: Pregnant women may experience symptoms such as abnormal vaginal discharge, and if combined with urinary tract infection, frequent urination, urinary urgency, etc. Cefixime and other drugs can be used for treatment. 3. Pelvic inflammatory disease: pregnant women often have lower abdominal pain, increased vaginal discharge, if the condition is serious, there will be fever, headache and other symptoms, can use ceftriaxone sodium, metronidazole and other drugs for treatment. Note that the above drugs should be used under the guidance of a doctor, avoid unauthorized use of drugs, so as not to cause adverse effects. If a pregnant woman has a slight inflammation during pregnancy, it is recommended to consult a doctor in time, complete the relevant examinations, clarify the cause of the disease, and treat the symptoms.