The doctor can only help you find the cause of the disease by asking a detailed medical history, menstrual history, reproductive history, family history, past history, and a series of tests. Previous labs, surgical records and treatment plans are all brought in to avoid duplication of tests Self-testing basal body temperature and recording, bring in 1. karyotype analysis for both partners (venous blood taken from the couple, not affected by dietary menstrual cycle) at the time of consultation Embryonic SNP gene test (in case of unavoidable miscarriage, the embryonic villi will be taken and sent for testing when the uterus is cleared. 2, Male partner semen routine (abstinence 3-5 days to check semen) ultrasound examination of prostate, spermatic vein, etc. 3, BBT (basal body temperature curve, self-measurement of basal body temperature each month) 4, 7 sex hormones (blood FSH, LH, E2, P, PRL, T, DHEAS) (blood drawn on the 3rd-5th day of menstruation) Thyroid hormone test (T3, T4, TSH, TPOAb, TGAb) (not affected by menstrual cycle) Glucose tolerance test (OGTT), insulin antagonism (IR) measurement 5. (mucus, non-menstrual) gynecological examination, white belt routine, BV, cervical TCT 6, couple ABO blood type, Rh blood type, anti-A potency, anti-B potency 7, phospholipid antibody D dimer 8, hyaline band antibody 9, closed antibody, unique type antibody, closed efficiency, Treg (RSA) (need 104 appointment, red house hospital institute every Thursday morning at 8:00 a.m. both husband and wife blood draw) 10, hysterosalping H.S.G. tubography (clean menstruation without intercourse; trichomonas and mycobacteria PC negative; 104 appointment center) 11, hysteroscopy Note: 1, previous laboratory tests, surgical records and treatment plans all brought to avoid repeated tests 2, self-test basal body temperature and record, brought to the clinic 3, before each visit, please pay attention to the suspension announcement