Infertility generally has no special clinical manifestations, but may have different symptoms for different causes, such as abdominal pain, leukorrhea, menstrual disorders, hirsutism, breast milk overflow and so on. Infertility refers to the failure of a woman to get pregnant after at least 12 months of normal sexual life without contraception, generally there is no special clinical manifestation, but there may be different other symptoms for different causes. 1. Gynecological inflammation: chronic pelvic inflammatory disease, pelvic adhesions, etc., will be manifested as lower abdominal pain and increased vaginal discharge. It causes blockage of fallopian tube and leads to tubal infertility. 2. Organic genital lesions: uterine fibroids, adenomyosis, endometrial polyps, etc., will be manifested as dysmenorrhea, increased menstrual flow and prolonged menstrual period. The result is that it is not easy for the pregnant egg to colonize. 3. Ovulation abnormalities: hyperprolactinemia is characterized by overflow of breast milk and increased prolactin; polycystic ovary syndrome is characterized by amenorrhea and hirsutism. These two diseases can lead to anovulatory infertility. It is recommended that patients go to the hospital in time to identify the specific causes of infertility and take different treatments under the guidance of the doctor.