Table 2.

BV criteria according to Amsel and Nugent scoring systems.

Criteria of BV:
Amsel [22]:
thin, white-grayish, milky homogenous vaginal discharge
pH > 4.5 of the vagina
amine odor (“fishy”) in whiff test
“clue cells” (epithelial cells covered with bacteria)
Nugent [9]:
low Nugent score (0–3), healthy vaginal microbiota
medium Nugent score (4–6)
a high Nugent score ≥ 7, positive diagnosis for BV