There are many items that women need to be checked during pregnancy preparation, as follows: 1) A routine basic examination of the white belt to determine whether inflammatory diseases exist in the vagina, such as chlamydia, mycoplasma, mycobacterial vaginitis, trichomoniasis, etc. 2) A check for the presence of sexually transmitted diseases, the routine eugenics four items, and the presence of viruses in the body. 3) A gynecological ultrasound to determine whether there is a uterine form, cysts, fibroids and other abnormalities. 4. routine blood tests to determine the level of hemoglobin, anemia, and coagulation through platelet count. 5. thyroid function tests to avoid hypothyroidism, which may cause abnormalities in the neurological and intellectual development of the newborn. 6. chromosome tests to check for hereditary diseases and other tests to Other tests should be performed according to the woman’s physical condition and needs.