Pre-pregnancy checkups, which are done before conception to have a healthy and smart child, include both spouses. It is carried out from March to June before conception and is one of the current eugenics contents. 1. Common examination items for both partners: routine blood tests: blood routine, blood type, coagulation function, blood sugar, liver and kidney function, thyroid function (A function); infectious disease tests: hepatitis B and half, AIDS, syphilis. 2.Special examination items for both sides: gynecological examination: routine white belt, mycoplasma chlamydia examination, gynecological ultrasound if necessary: check whether there is fluid in the fallopian tubes, whether there are fibroids in the uterus, whether there are uterine malformations; male examination: check the number of sperm and sperm quality if necessary. 3, the purpose of the examination: blood test is to understand the liver and kidney function of the couple, to understand the presence of blood system diseases, diabetes, thyroid disease, in order to timely and effective treatment. If diabetes is combined with pregnancy, it is very harmful to both mother and child. Pregnancy will aggravate the damage of pancreatic islet function of pregnant mother and increase the risk of hypertension during pregnancy by 2-4 times. For the fetus, the long-term hyperglycemic environment increases the incidence of malformations in various systems of the fetus; it can also slow down lung maturation and increase the risk of respiratory distress, lung infection and hypoglycemia in the newborn after birth, which needs to be controlled by early treatment. If the level of thyroid hormone is low (hypothyroidism), it may affect the fetal intelligence and bone development and risk of cretinism; if it is high (hyperthyroidism), it may cause miscarriage in early pregnancy and mood swings of the pregnant mother. 4, it is worth noting: the current medical level believes that folic acid supplementation in the first 3-6 months of pregnancy can effectively reduce the possibility of neural tube malformation in the fetus. 5, at the same time, the couple pay attention to rest: maintain a relaxed state of mind, quit smoking, alcohol and psychotropic drugs, reduce exposure to X-rays and radiation, all help to have a healthy baby. 6. If you have special diseases such as heart disease, hypertension, diabetes, severe obesity, family hereditary diseases, etc., you need to be fully evaluated by a professional clinic before preparing for pregnancy.