Gravid females migrate nocturnally outside the anus and oviposit while crawling on the skin of the perianal area.
At full maturity adult females measure 8 to 13 mm, and adult males 2 to 5 mm the adult life span is about two months. The time interval from ingestion of infective eggs to oviposition by the adult females is about one month. Following ingestion of infective eggs, the larvae hatch in the small intestine and the adults establish themselves in the colon, usually in the cecum. contaminated surfaces, clothes, bed linens, etc.). Infection occurs via self-inoculation (transferring eggs to the mouth with hands that have scratched the perianal area) or through exposure to eggs in the environment (e.g. Gravid adult female Enterobius vermicularis deposit eggs on perianal folds.
