Discovered first what vagina trichomonad is a French, was from contracts in the vaginitis woman’s vagina secretion in 1836 to find, in 1838 named officially as the vagina trichomonad. The parasitism has three kinds in human body’s infusorium: Oral cavity trichomonad, person trichomonad (parasitism in intestinal tract) and vagina trichomonad. The vagina trichomonad mainly encroaches upon human body’s urogenital system, in it may parasite in feminine vulva skin folds, nearby the urethra the gland, the lower segment urethra, the vestibule big gland, the vagina and in the canalis cervicalis; In male, vagina trichomonad multi-parasitisms in urethra and prostate gland. Human body’s other two kind of trichomonads do not infect the vagina. Usually, in the healthy female has in a part of person vagina to have the vagina trichomonad, but does not cause the inflammatory response, possibly is in the vagina the environment does not suit the infusorium to grow temporarily, also possible, because infects an insect toxicity is not strong is the result. But when in the vagina the environment has the change, when is advantageous in the infusorium growth, possibly causes the infusorium vaginitis. The infusorium vaginitis is the childbearing years woman very common one kind of vagina inflammation, its prevalence rate is only inferior to the mycotic vaginitis.
The infusorium may through the sex life dissemination, may also through the mediate contact dissemination, the swimming pool, the bathing pool bath be possible to become infusorium’s dissemination place especially. After the mother contracts the infusorium, infects for the newborn is also possible.
