Amsel criteria for diagnosis of bacterial vaginosis (BV) | |
Sign | Homogeneous, thin, grayish-white discharge that smoothly coats the vaginal walls |
Vaginal pH | Vaginal pH >4.5 |
Amine test | Positive whiff-amine test, defined as the presence of a fishy odor when a drop of 10% potassium hydroxide (KOH) is added to a sample of vaginal discharge |
Saline microscopy | PMN:EC <1; loss of rods; increased coccobacilli; clue cells comprise at least 20% of epithelial cells (present in >90% of patients) |
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