If you have a cat in your home, the cat will have Toxoplasma gondii virus in its body, which can easily cause fetal malformation if it infects a pregnant woman. It is recommended not to have contact with cats until you are ready to conceive, and not to keep cats throughout pregnancy. If a cat is kept at home, it is recommended that the pregnant woman have a blood test for Toxoplasma gondii infection. Once there is a recent infection, it can easily lead to fetal malformation and requires termination of pregnancy. It is advisable for women to plan their pregnancy and to send away their family pets from the beginning of their preparation for pregnancy, which is very good for the pregnant woman and the fetus, and only then can they achieve the purpose of eugenics. It is also recommended that pregnant women must have regular checkups, only through regular maternity checkups can abnormalities be detected and given timely treatment in case of abnormalities.