<prompt> A 28 Years old white female presents with a 15-day history of malodorous vaginal discharge and pruritus. She reports that the smell is worse after intercourse and is accompanied by a white discharge. No significant medical or gynecological history. She is in a stable monogamous relationship and has never been pregnant. Which of the following diagnostic features is consistent with Bacterial vaginosis?Vaginal fluid pH 6, scanty secretions with increased para basal cellsVaginal fluid pH 4.5, presence of clue cells on the smear and fishy odor on KOH mountVaginal fluid pH 4, presence of hyphae on KOH mountVaginal fluid pH 5, motile trichomonads on microscopy  <response>: Answer: b Vaginal fluid pH 4.5, presence of clue cells on the smear and fishy odor on KOH mountVAGINAL INFECTIONSDiagnosticCriteria Differential Diagnosis of Vaginal infectionsNormalBacterialvaginosisCandidiasisTrichomoniasisBacterial strep, staph, E.coliVaginal pH3.8-4.24.54.54.54.5DischargeClear,FlocculentThin, gray or white, adherent HomogenousWhite, curdy, Cottage- Cheese likeYellow to green Frothy adherentPurulentAmine odor KOH,whiff testAbsentPresentFishyAbsentAbsentAbsentMicroscopicLactobacilliClue cells, coccoid Bacteria, No WBCMycelia,buddingYeast,pseudohyphaeTrichomonads WBC 10hpfMany WBCsMain patient ComplaintsNoneDischarge, bad odour- possibly worse after intercourseltchingburningdischargeFrothy discharge, bad odour, vulval pruritis, dysuria multiple small punctuate strawberry spots on the vaginal vault and portio vaginalis of the cervix strawberry vaginaThin, watery discharge,pruritus 