{"paper_id":"b934b621-d496-451b-b189-96b73e043353","body_text":"British Journal of Hospital Medicine (BJHM) is published by IMR Press from Volume 87 Issue 1 (2026). Previous articles were published by another publisher under the hybrid model (CC-BY-NC license or on a subscription basis), and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement.\nDo we know what causes endometriosis?\nArticle Info\nAbstract\nEndometriosis is one of the most intensively investigated benign gynaecological disorders, but our understanding of its causation remains surprisingly incomplete. Several theories exist: coelomic metaplasia, induction, retrograde menstruation and implantation, Müllerian remnants and the archimetra concept. These hypotheses show various extents of plausibility and supporting scientific data.","source_license":"CC0","license_restricted":false}