What is toxoplasmosis? Caught during pregnancy, toxoplasmosis can cause miscarriage, stillbirth or damage to the baby’s brain and other organs, particularly the eyes. If infection occurs during pregnancy it can cause abortion and congenital defects to the fetus. Toxoplasmosis is a parasitic infection caused by Toxoplasma gondii. Toxoplasma infection can reactivate in immunocompromised pregnant women who were infected with Toxoplasma before their pregnancy, and this can lead to congenital infection in the unborn child. On average, only 4 in 10 of such infections will pass to the baby. AIDS. Most people have heard of toxoplasmosis due to the risks infections pose to pregnant women. Abstract. If you catch toxoplasmosis for the first time during pregnancy, it does not mean that your baby will be infected. Transmission to the fetus occurs almost solely in … How Common is Toxoplasmosis in Pregnant Women? Toxoplasmosis is a parasitic disease that is very common in humans but typically does not pose a large risk in its initial infection, accept to immunocompromised populations and pregnant women. Toxoplasmosis is considered to be a leading cause of death attributed to foodborne illness in the United States. More than 40 million men, women, and children in the U.S. carry the Toxoplasma parasite, but very few have symptoms because the immune system usually keeps the parasite from causing illness.However, women newly infected with Toxoplasma during or shortly before pregnancy and … In this group of patients common clinical findings include confusion, headache, seizures, nausea, weakness and poor coordination. Although toxoplasmosis spreads through contaminated meat and water, pet owners who own cats are at the greatest risk of an infection. Acute infection with Toxoplasma gondii during pregnancy and its potentially tragic outcome for the fetus and newborn continue to occur in the United States, as well as worldwide, despite the fact that it can be prevented. When acquired during pregnancy, toxoplasmosis often goes unrecognized in the mother, but it can produce a severe congenital infection with ocular and neurologic damage to the infant. Babies with toxoplasmosis, infected later in pregnancy, can look normal at birth but may develop serious problems later, vision impairment, blindness and development delays years later. Toxoplasmosis is a common infection that occurs in most birds and mammals, including humans. Most pregnant women in the United States aren't routinely screened for toxoplasmosis, and most states don't screen infants for the infection. Toxoplasmosis is an infection you can get from a microscopic parasite called Toxoplasma gondii.Although the infection generally causes a mild, symptomless illness in people with healthy immune systems, it's risky if you become infected just before or during pregnancy because the parasite may infect the placenta and your unborn baby. Without specific screening, toxoplasmosis is often difficult to diagnose because signs and symptoms, when they occur, are similar to those of more common illnesses, such as the flu and mononucleosis. The infection can be acquired through ingestion of infected, undercooked meat or contaminated food or water. It's usually a mild disease, which often has no symptoms at all, but if you catch it for the first time in early pregnancy it can cause serious health problems for your baby. Toxoplasmosis can cause enlarged liver and jaundice, an enlarged spleen, a low platelet count, rashes and heart or lung infection, and enlarged lymph nodes. 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