Those who have been living together for one year without contraception but have not conceived are called infertility, and those who can conceive but fail to get a surviving baby for various reasons are called infertility, and there are many reasons for infertility: 1) Ovulation disorders, tubal factors, semen abnormality, uterine lesions, vaginal and cervical lesions, and immune factors, etc. 2) Tubal factors account for 1/3 of the infertility factors of females, and infertility occurs when sperm and egg cannot meet due to blockage or incomplete development of the tubal tubes. Infertility occurs when the sperm and egg cannot meet due to tubal obstruction or incomplete development.3. Infertility occurs when no mature egg is discharged during ovulation due to ovarian dysfunction.4. Male infertility can be caused by semen abnormalities, such as oligozoospermia, azoospermia, sperm deformities and other abnormalities of the male sexual function.5. Infertility is also caused by the presence of uterine submucosal leiomyomas, inflammatory diseases of the lining of the uterus, endometrial polyps, etc., all of which affect the implantation of fertilized eggs and lead to infertility. 6. 6, cervical, vaginal inflammation can also lead to infertility. 7, immune factors are also common problems. When infertility occurs, it is recommended that both husband and wife go to the hospital for relevant examinations.