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Trichomonas vaginalis from a vaginal swab. This is a heavy infection; there were probably thousands of trichomonads in the vagina. Alfred Francois Donné (1801–1878) was the first to describe a procedure to diagnose trichomoniasis through "the microscopic observation of motile protozoa in vaginal or cervical secretions" in 1836.
A high vaginal swab (HVS) is a medical procedure performed in obstetrics and gynaecology to test vaginal discharge for the presence of vaginal thrush, bacterial vaginosis and trichomonas vaginalis. [1] [2] [3] It is carried out in clean conditions, by a healthcare professional who uses a speculum to look at the cervix and vagina.
Micrograph of a clue cell (center), covered in bacteria, as compared to an unremarkable squamous cell at bottom left, and a neutrophil at bottom center. Pap stain Phase contrast microscopy of clue cells in a vaginal swab. Clue cells are epithelial cells of the vagina that get their distinctive stippled appearance by being covered with bacteria ...
Trichomoniasis (trich) is an infectious disease caused by the parasite Trichomonas vaginalis. [2] About 70% of affected people do not have symptoms when infected. [2] When symptoms occur, they typically begin 5 to 28 days after exposure. [1]
Bacterial vaginosis is usually confirmed by a Gram stain of vaginal secretions. [40] A characteristic "fishy" odor on wet mount. This test, called the whiff test, is performed by adding a small amount of potassium hydroxide to a microscope slide containing the vaginal discharge.
Trichomonas vaginalis Can cause a profuse discharge with a fish-like odor, pain upon urination, painful intercourse, and inflammation of the external genitals. elevated (5.0–6.0) Aerobic vaginitis: Burning, stinging and dyspareunia. Non-malodorous yellowish discharge. Symptoms can last for several years. The condition can also be asymptomatic.