The so-called preconception tests are not currently mandatory in the country, but it is best to go to the hospital for preconception tests when risk factors have been present. Part of the preconception test is a routine physical examination, including liver function, eugenics five items, referred to as TORCH, there is no virus, toxoplasma infection, because this infection may lead to miscarriage or fetal malformation during pregnancy. In addition to TORCH, endocrine tests can also be done, as endocrine luteinizing insufficiency may also lead to miscarriage during pregnancy. In addition, a thyroid function test can be done, as low thyroid function can also lead to miscarriage during pregnancy. Therefore, the pre-pregnancy examination for women mainly includes two parts, the general physical examination and women’s special TORCH examination, endocrine examination and thyroid function examination.