It is not possible to get pregnant while taking antiviral drugs, which can affect the fetus and even cause malformations. Women should take care of their bodies before they want to have a baby, they can insist on exercising to enhance their physical fitness and improve their immunity, which can reduce the chances of getting sick and catching a cold during pregnancy. It is also necessary to supplement nutrition before having a baby, eat more meat products, soy products, vegetables and fruits to prepare for pregnancy. Before having a baby, you should avoid contact with radioactive substances, which can affect fetal growth and development and induce fetal malformations, as well as harmful substances, such as lead, mercury, methanol, etc. Before having a baby, you should be careful with drugs. You should not take a lot of drugs for a long time in the first few months of pregnancy, because the teratogenicity of drugs is very high and will act directly on the fetus through the placenta. Before having a baby, you should stop smoking and drinking, as smoking and drinking can affect the intellectual development of your baby and cause various malformations, such as congenital heart disease and harelip.