The investigators are trying to determine if oral Probiotics(Umeta-mimi,30 days) with Metronidazole vaginal suppositories (7 days) is better than using Metronidazole vaginal suppositories(7 days) only in preventing the recurrence of bacterial vaginosis
Aged 18 to 55 years old, with history of sexual activity,
Amsel criterion for diagnosing BV
Sign informed consent
History of systemic organic diseases or psychiatric diseases
Planning for or during pregnancy, lactation, menstruation
within 5 days of onset of the disease, any antibiotics has been used
Long-term use of contraceptives or immunosuppressant
Peking University Shenzhen Hospital
Lead sponsor
BGI, China
Collaborator