1. Medical history, family history, and family history of consanguineous marriage and marriage;
2. Physical examination, including measuring blood pressure, heart rate, height, weight, etc;
3. Routine auxiliary examinations: blood routine examination, urine routine examination, hepatitis B surface antigen and blood transaminase, syphilis screening results, mold examination, trichomonas in female vaginal secretions;
4. Other special examinations include gonorrhea, AIDS screening, breast examination, ultrasound imaging, chromosome examination, etc.