子宫内膜异位症(endometriosis,EM)是指具有生长功能的子宫内膜组织出现在子宫腔以外的身体其他部位并种植生长而发生的病变。EM的发病率在育龄妇女中为10%～15%,且有上升趋势,在不孕妇女中发病率约占50%。EM患者常伴有痛经、性交疼痛、腹腔疼痛、月经不调、不孕等症状,严重影响患者的生活质量。EM的确切发病机制现并不明确,最早是由Sampson提出的经血逆流学说,但经血逆流学说并不能解释为什么90% Endometriosis (EM) refers to the growth of endometrial tissue occurs in other parts of the body outside the uterine cavity and plant growth occurred lesions. The incidence of EM in women of childbearing age is 10% to 15%, and there is an upward trend in infertile women, the incidence of about 50%. EM patients often accompanied by dysmenorrhea, painful intercourse, abdominal pain, irregular menstruation, infertility and other symptoms, seriously affecting the quality of life of patients. The exact pathogenesis of EM is not clear, the earliest is the theory of menstrual blood flow proposed by Sampson, but the doctrine of menstrual flow does not explain why 90%