ABSTRACT
Amsel’s criteria-at least three of the four criteria listed below needed to be present for the diagnosis to be confirmed:
• thin, white, homogenous, vaginal discharge • clue cells on microscopy (these are epithelial cells covered with mixed organisms) • pH of vaginal fluid >4.5
• release of a fishy odour on adding alkali (10% KOH) to a specimen of the vaginal discharge.
