During pregnancy, you should eat more foods with conditioning function, have balanced nutrition for three meals a day, and reasonably take in protein, vitamins, minerals and other foods. It is recommended to choose fresh vegetables, fruits, lean meat, nuts, fish, cereals, beans and other foods and drink more milk. Try not to be partial eclipse, because partial eclipse may cause malnutrition, which will have an impact on future pregnancy and the healthy growth of the baby. In addition, alcoholism, smoking and drug abuse may lead to mentally retarded children, low birth weight children and abortion. Therefore, during pregnancy, women should avoid drinking and smoking, live a regular life, and do not take drugs, so as not to affect the quality of sperm and eggs. If the ovarian function is not good and the eggs cannot be discharged normally, it is necessary to use ovulation-promoting drugs and take Heyan Kuntai capsule at the same time to improve the ovarian function and increase the pregnancy rate. In addition, folic acid supplementation before pregnancy can prevent neural tube defects in fetal development. It is recommended to prepare pregnant women. According to the doctor's advice, folic acid supplementation can be started about 3 months before pregnancy.