Toxoplasmosis is an infection caused by the protozoan parasite Toxoplasma gondii, which can be transmitted to humans through ingestion of contaminated food, water, or soil, or through contact with infected animals. Congenital toxoplasmosis occurs when a pregnant woman becomes infected with T. gondii and passes the infection to her fetus. Congenital toxoplasmosis can lead to serious health problems for the fetus, including neurological and visual impairment, hearing loss, and developmental ...