It is the most frequent cause of sexually transmitteddisease worldwide and is associated with a variety of seriouscomplications, including premature delivery, low birth weight,and increased transmission of other pathogens, including HIVhe flagellated protozoan Trichomonas vaginalis is an obli-gate extracellular parasite of the human genitourinary mu-andhumanpapillomavirus(2).ClinicalT.vaginalisiso