Perceived impact of medicinal cannabis on pelvic pain and endometriosis related symptoms in Aotearoa New Zealand: an observational cohort study

Abstract Background: Endometriosis, characterised by the growth of endometrial-like tissue outside the uterus, often causes severe pelvic pain, dysmenorrhea, and fatigue. Current medical treatments frequently provide incomplete symptom control and/or significant side effects. Many individuals with endometriosis report symptom improvements with cannabis use, but high-quality evidence remains limited. Methods: A prospective, mixed-methods cohort study was conducted. Participants aged 18–50 years with surgically or clinically diagnosed endometriosis self-engaged with a specialist consultant and were prescribed medicinal cannabis (cannabidiol [CBD] oil alone