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