It is recommended that you may wish to refer to the latest maternity care guidelines regarding the content. The guidelines consider that the mandatory pre-pregnancy examinations include: 1. gynecological examination, blood routine, blood type (ABO and Rh), urine routine; 2. blood pressure, liver function, kidney function, hepatitis B surface antigen; 3. syphilis spirochetes, HIV antibody screening, cervical smear (for those who have not been examined within 1 year), fasting blood sugar. 4. Other auxiliary tests such as gynecological ultrasound, 5. thyroid function, Toxoplasma gondii, rubella virus, cytomegalovirus and herpes simplex virus (TORCH) screening, cervico-vaginal discharge examination (routine leucorrhoea, gonococcus, Chlamydia trachomatis), 6. electrocardiogram, etc., are added as appropriate.