Only by asking a detailed medical history, menstrual history, fertility history, family history, past history, and a series of tests can the doctor help you find the cause of the disease. Previous labs, surgery records and treatment plans are all brought in to avoid duplication of tests Self-testing basal body temperature and recording, brought in at the time of the visit: 1. Karyotype analysis of both partners (venous blood drawn from the couple, not affected by dietary menstrual cycle) Embryonic SNP gene test (in case of unavoidable miscarriage, embryonic chorionic hair will be taken and sent for testing when the uterus is cleared, in Chiayi); 2, male partner semen routine (semen check for 3-5 days of abstinence), ultrasound examination of prostate, spermatic vein, etc.; 3, BBT (basal body temperature curve, self-measurement of basal body temperature every month); 4, 7 sex hormones: blood FSH, LH, E2, P, PRL, T, DHEAS ( Thyroid hormone test: T3, T4, TSH, TPOAb, TGAb (not affected by menstrual cycle); glucose tolerance test (OGTT); insulin antagonism (IR) measurement; 5, TORCH (cytomegalovirus CMV, toxoplasma TOX, rubella virus RUV, herpes virus HSV) IgM, IgG mycoplasma, chlamydia (take cervical mucus, non-menstrual) gynecological examination, routine leucorrhoea, BV, cervical TCT; 6, couple ABO blood group, Rh blood group, anti-A potency, anti-B potency; 7, phospholipid antibody, D dimer; 8, zona pellucida antibody; 9, closed antibody, unique type antibody, closed efficiency, Treg (RSA); 10, hysterosalpingogram H.S.G (clean menstruation without intercourse; leucorrhoea) PC negative for trichomonas and mycobacteria); 11. Hysteroscopy. Note: 1. Bring all previous labs, surgery records and treatment plans to avoid duplication of tests; 2. Take your own basal body temperature and record it, and bring it to the clinic; 3.