Preparing for pregnancy requires ultrasound, blood test, urine test, liver function, eugenics test, sex hormone, reproductive system and ABO hemolysis. 1. Ultrasound can be used to determine whether a woman’s uterus or ovaries are abnormal. 2. Blood tests are mainly used to check whether there are abnormalities in hemoglobin and white blood cells, to prevent the occurrence of anemia and infections, and to help find out whether there is hereditary anemia. 3. Urine routine is mainly used to reflect the renal function, which is helpful for the early diagnosis of renal diseases to prevent further deterioration of renal function during pregnancy when the burden on the kidneys is aggravated. 4. Liver function is mainly used to check for viral hepatitis to prevent vertical transmission to the baby. 5. Eugenics four tests include toxoplasmosis, rubella virus, cytomegalovirus and herpes simplex virus tests to prevent fetal malformation, miscarriage and other conditions. 6. Sex hormone test mainly focuses on estrogen and progesterone levels, etc. to check for ovarian function diseases. 7. Reproductive system examination is mainly for checking whether there is any vaginal bacterial infection, etc. to prevent fetal deformity and miscarriage. 8. ABO hemolytic test is mainly based on the blood type of both parents to determine whether the fetus has the risk of ABO hemolytic disease. You should have a pre-pregnancy checkup before you get pregnant, and pay attention to your diet and exercise properly to prepare for pregnancy in the best physical condition.