BVSs in women in fertile age | NV | VIR |
I normal microbiota Predominance of lactobacilli | 0 to 3 | No |
II normal microbiota + vaginal inflammatory reaction Predominance of lactobacilli, but presence of vaginal inflammatory reaction | 0 to 3 | Yes |
III intermediate microbiota Balance between lactobacilli and anaerobic bacteria | 4 to 6 | No |
IV bacterial vaginosis Predominance of anaerobic bacteria | 7 to 10 | No |
V non-specific microbial vaginitis Alteration of the lactobacilli/anaerobic bacteria relation, with inflammatory reaction | 4 to 10 | Yes |