Uterine fibroid is a common benign tumor in female reproductive system, mostly seen in women aged 30-50 years old, its occurrence is related to high estrogen level and most of them can be detected early. If a woman has the following 5 conditions, she should be alerted and should go to the hospital for further examination to confirm the diagnosis. 1. Menstrual changes. Consider if your normal menstrual cycle changes, with an increase in the amount of menstrual blood, prolonged periods and irregular menstruation. 2. Pain. Most patients with fibroids are painless, but a small number of people can experience pain in the lower abdomen after infection of the fibroids or deformation of the uterus. 3.Lumps. A lump can be felt in the lower abdomen, especially when the bladder is filled with urine the lump is more obvious to touch. 4.pressure feeling. In patients with fibroids, most of them can not feel anything, however, if the fibroids are located low, even if the tumor is not big, it can press the neighboring organs such as difficulty in urination when pressing the bladder; difficulty in defecation when pressing the rectum; back pain and other symptoms can occur when pressing the ureter. 5. Infertility. Among patients with uterine fibroids, a few of them can cause infertility because the fibroids cause deformation of the uterus, which is unfavorable for fertilization of eggs. If 1 or 2 of the above phenomena are found, you should go to the hospital for further consultation and treatment.