Definition of Toxoplasma Parasite Toxoplasma is a single-celled parasite that belongs to the family of protozoa. This parasite causes an infection known as toxoplasmosis, which can be particularly dangerous for pregnant women. The infection can be transmitted by eating undercooked meat, or by exposure to infected cat feces. Ways of Transmission for Pregnant Women Pregnant women are at higher risk of contracting toxoplasmosis, as the infection can affect the health of the fetus. Infection can occur through the consumption of contaminated food or through direct contact with infected animals. It is important to avoid these risks by taking appropriate dietary and health precautions.