Eugenics tests are also needed when you are pregnant. Eugenics tests include routine blood, blood type, urine routine, fasting glucose, liver function, kidney function, hepatitis B virus surface antigen, syphilis spirochete antibody, HIV screening, pregnancy safety quadruple (rubella virus, cytomegalovirus, toxoplasmosis, herpes virus, etc.). B-ultrasound and electrocardiogram are also required. During pregnancy, you should be careful with drugs and vaccines, change your poor lifestyle, avoid high intensity and high noise environmental pollution, and you need to take folic acid supplementation 0.4-0.8mg/day, which needs to be supplemented until the third trimester of pregnancy. Those who have the condition can continue to take multivitamins containing folic acid. During pregnancy, attention should be paid to lifestyle and nutritional guidance, avoiding exposure to toxic and harmful substances and pets.