If pregnant women are infected with Toxoplasma gondii, most of them will not have any obvious symptoms. Only a few people will develop lymphadenopathy, retinal inflammation, etc. However, pregnant women infected with Toxoplasma gondii in the first 3 months of pregnancy are likely to develop It can lead to fetal malformations, congenital toxoplasmosis, neurological diseases and other problems, and in severe cases, even death. Toxoplasma gondii infection is very common. Whether it is cats, dogs, or even birds, almost all mammals carry Toxoplasma gondii. Therefore, it is best for pregnant women to have less contact with animals during pregnancy.