(1) Ultrasound of breast, ultrasound of thyroid; (2) Routine white belt, mycoplasma, chlamydia, TCT, routine urine (non-menstrual); (3) Tuboscopy, hysteroscopy; (4) Fasting blood test: endocrine, infertility antibody, eugenics, blood type, routine blood, sedimentation, coagulation, hepatitis 6, HIV and syphilis antibody, liver and kidney function, blood sugar, chromosome; (5) Electrocardiogram; (6) Chest X-ray; (7) Tuberculosis test. (5) electrocardiogram; (6) chest X-ray; (7) tuberculin test. (1) Semen examination: routine (3 times), anti-sperm antibodies, hypotonic swelling test, leukocyte peroxidase staining, mycoplasma, chlamydia, acrosomal enzymes; (2) Fasting blood test: blood type, hepatitis 6, HIV and syphilis antibodies, endocrine, blood glucose, routine blood, coagulation phase, chromosomes; (3) urine routine; (4) scrotal ultrasound. 3.Special examination items Note: (1) The female party’s menstrual flow 2-4 days in the morning fasting 8:00-10:00 blood sampling for endocrinology; (2) The female party’s menstrual flow 3-7 days no intercourse, check the routine leukorrhea, urine HCG and electrocardiogram, the results are not abnormal before the hysterosalpingography and IVF; (3) hysteroscopy surgery schedule on (3) Hysteroscopy procedures are scheduled on Tuesdays, Thursdays and Saturdays; (4) Semen examination for the male partner for 2-7 days; (5) Chromosome examination on Tuesdays.