All are included in Amsler's criteria, EXCEPT:
Amsler's criteria used for the diagnosis of bacterial vaginosis is based on clinical & lab indicators: Vaginal pH >4.5, alkaline Positive amine test Clue cells> 20% of total vaginal epithelial cells Homogenous thin discharge Scanty / absent lactobacilli 3 out of 5 criteria suggests this diagnosis Ref: Sexually transmitted infections, Bhushan Kumar, 2nd edition pg 673.
Vaginal pH <4.5
Positive amine test
Clue cells> 20% of total vaginal epithelial cells
Homogenous thin discharge