is a common parasitic infection that often causes no symptoms. About 30 percent of pregnant women who develop toxoplasmosis pass the infection on to their babies, sometimes resulting in vision and learning problems, serious newborn complications and, occasionally, death.Toxoplasmosis
during pregnancy also can cause preterm delivery or stillbirth. Pregnant women can reduce their risk of toxoplasmosis
by avoiding possible sources of the infection, such as raw or undercooked meats and cat feces. A pregnant woman should ask someone else to change the cat's litter box.