The following symptoms can lead to infertility in the clinic: 1, changes in menstruation, such as unstable and irregular menstrual cycles, menstrual cycle disorders, or in the clinic of menstrual bleeding, menstrual bleeding, may lead to infertility. 2, the appearance of recurring pain in the lower abdomen is often a manifestation of pelvic inflammatory disease. Chronic pelvic inflammatory disease is likely to lead to localized obstruction of the fallopian tubes, which can also cause infertility.3. Patients with a history of dysmenorrhea, a history of dysmenorrhea is caused by endometriosis, which can lead to infertility in about 50% of patients in clinical practice. So if the above symptoms occur, it is recommended to do a detailed examination.