What is the life cycle of trichomoniasis?


Quick Answer

Trichomonas vaginalis lives in the lower female genital tract and the male urethra, where it reproduces by binary fission and is then passed from human host to human host through sexual relations, according to the Centers for Disease Control and Prevention. Trichomonas vaginalis is a parasite that causes the sexually transmitted disease trichomoniasis. The incubation period is 5 to 28 days.

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Full Answer

Trichomonas vaginalis is a type of sporozoan parasite. When the parasite is in the growing stage and still absorbing nutrients from the host, it is known as a trophozite. When the trophozoite is in the vaginal and prostatic secretions, it is in the diagnostic stage, states the Centers for Disease Control and Prevention. When it is in the vaginal or urethral orifice, it is in the infective stage.

Trichomoniasis, the sexually transmitted disease caused by Trichomonas vaginalis, is one of the most common STDs, especially in young women. Symptoms include painful urination, discharge, vaginal itching in women, and discomfort during sexual intercourse, according to WebMD. Medical professionals diagnose the disease by running a lab test to look for the parasite Trichomonas vaginalis. A doctor prescribes an antibiotic to treat the condition, and typically recommends getting tested three months after finishing the antibiotic regimen.

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