... testBacterial Vaginosis (BV) multi-measurement set includes three indicators H2O2 ( biomarker of vaginal lactobacillus), SNA (sialidase, lyoenzyme of ... Leukocyte Esterase, biomarker of vaginal inflammation cell).[Principle]1. H2O2 Concentration TestH2O2 in vaginal liquid broke into O2 and ... 5-dichloro dihydroxy benzenesulfonic acid change color. When H2O2 concentration is more than 2μmol/l in sample, ...