GYNECOLOGY: OFFICE GYNECOLOGYThe Role of Levonorgestrel Intra-uterine System in the Management of Adenomyosis: A Systematic Review and Meta-analysis of Prospective StudiesAbbas, Ahmed M.; Samy, Ahmed; Atwa, Khaled; Ghoneim, Hanan M.; Lotfy, Mariam; Mohammed, Heba Saber; Abdellah, Asmaa M.; El Bahie, Amira M.; Aboelroose, Ahmed A.; El Gedawy, Asmaa M.; Mostafa, Mona; Elsenity, Mohamed A.; Samy, Mohammed; Safwat, Sarah; Abdelrahman, Rehab M.; Salah El Din, Adel S.; Badran, Esraa; Abdelkader, Abdelrahman M.; Abdallah, AmeerAuthor Information Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Assiut (A.M. Abbas, E.B., A.M. Abdelkader); Department of Obstetrics and Gynecology, Faculty of Medicine, Cairo University, Cairo (A.S., M.M.); Department of Obstetrics and Gynecology, Faculty of Medicine, Suez Canal University, Ismailia (K.A., H.M.G., M.L., H.S.M., A.M. Abdellah, A.M.E.B., A.A.A., A.M.E.G.); Department of Obstetrics and Gynaecology, Faculty of Medicine, Ain Shams University, Cairo (M.A.E., M.S., S.S., R.M.A., A.S.S.E.D.); and Department of Obstetrics and Gynaecology, Faculty of Medicine, Minia University, Minia (A.A.), Egypt Obstetrical & Gynecological Survey: June 2020 - Volume 75 - Issue 6 - p 347-349 doi: 10.1097/OGX.0000000000000809 Buy Metrics Abstract (Abstracted from Acta Obstet Gynecol Scand 2020;99:571–581) Adenomyosis is a prevalent disorder characterized by the presence of ectopic endometrial tissues within the myometrium. Its etiology and pathogenesis are unclear. Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.