<\/span><\/h2>\nA pregnant woman is advised to avoid contact with cats, as her unborn child is at increased risk of birth defects if parasites cross the placenta.<\/b><\/p>\n<\/span>Why is it bad to have cats while pregnant?<\/span><\/h2>\nThe myth about cats giving pregnant women toxoplasmosis has been causing misery for a long time. Pregnant women can transmit toxoplasmosis, a rare parasitic disease, to their unborn babies, and a toxoplasmosis infection can lead to miscarriage or cause malformed babies<\/b><\/p>\n<\/span>Do cats cause miscarriages?<\/span><\/h2>\nAnd while this may have the ring of an old wives’ tale, experts say the warning should be taken seriously. Cats can carry Toxoplasma gondii, a parasite that causes birth defects, miscarriages and death in people with weakened immune systems.<\/b><\/p>\n<\/span>Do all house cats have toxoplasmosis?<\/span><\/h2>\nAll mammals including humans are considered intermediate hosts and can become infected, but cannot shed the eggs of the parasite and infect others. It is considered that greater than 40% of humans and 30% of cats have been exposed to Toxoplasmosis and would have a positive antibody test.<\/b><\/p>\n