Infection with Toxoplasma gondii, which occurs in both men and women, is usually subclinical and benign. Infection during pregnancy, however, may be a serious and even life-threatening event for the fetus. Antenatal education should focus on avoidance of contact with the sources of infection: the domestic cat and raw or rare meats. A review of toxoplasmosis is presented, and means for its primary prevention through antenatal education are outlined.