Before having a child, men and women need to do a good job of preparing for pregnancy, should pay attention to diet, appropriate exercise, but also need to carry out pre-pregnancy examination. 1. pay attention to diet: in preparation for pregnancy, both men and women should be properly supplemented with nutrients, you can eat more food rich in protein and vitamins, women should also follow the doctor’s advice to take folic acid. 2. Appropriate exercise: during the preparation for pregnancy, you need to do appropriate sports to enhance the body’s resistance, in order to meet the arrival of the new life with the best physical condition and mental outlook. 3. Comprehensive examination: couples should undergo a series of physical examinations before preparing for pregnancy, such as female uterus, fallopian tubes, pelvic examination, male semen examination, etc., in order to assess and improve the health of the couple preparing for pregnancy, minimize or eliminate factors that may lead to undesirable pregnancies, and prevent the occurrence of birth defects. When preparing for pregnancy, one should relax, and the lack of pregnancy in a short period of time is normal and should not be overstressed.