[Trichomonas vaginitis at different life stages of women].

Using of fresh slides and culture T. vaginalis was found in 1094 persons (3.20%). It has been seen the morphological differentiation of T. vaginalis connected with the age, physiological state of macroorganisms and the clinic picture of trichomoniasis. In vivo, the spheroidal as well as ameboid forms of T. vaginalis were observed. The latter ones, characteristic in acute trichomoniasis, were often seen in pregnant women. On the other hand, nonmobile round-shaped forms of T. vaginalis occurred in vaginal contents of girls, women in child-bed and old (5 years after menopause) women. It seems, that morphologically + variability of T. vaginalis depends on changes of specific environment of human vagina, which is very sensitive to hormonal+ responses. It may be considered as adaptation of parasite to different biological conditions of vaginal environment.