MY-ENDO -- Mind Your ENDOmetriosis: a Digital Mindfulness- and Acceptance-based Endometriosis Self-management Program

Inclusion Criteria: * ≥18 years old. * Signed informed consent. * Endometriosis diagnosed by a gynecologist based on the medical case history, ultrasound, laparoscopy, or MRI (all self-reported). * Moderate to severe symptoms (pelvic pain and/or fatigue measured on an 11-point numeric rating scale (NRS) from 0 = no pain/fatigue to 10 = worst imaginable pain/fatigue symptom) or reduced endometriosis-related quality of life (measured by the EHP-30): * Moderate to severe endometriosis-related chronic pelvic pain (NRS \> 2) or * Moderate to severe endometriosis-related fatigue (NRS \> 2) or * Low endometriosis-related quality of life (one or more EHP-30 subscale mean scores ≥ 40.00). * Relevant clinical and/or surgical treatment according to the European Society of Human Reproduction and Embryology (ESHRE) guidelines for endometriosis has been attempted. * Willingness to practice mindfulness and yoga at home for 30-45 minutes 5-7 days a week during the treatment period. Exclusion Criteria: * Under 18 years old. * Severe psychiatric diagnosis made by a psychiatrist and/or ongoing psychiatric treatment. * Pregnancy or planned pregnancy during the study period. * An estimated lack of capacity or surplus energy to enter into a digital mindfulness treatment, for instance, because of: * major life events taking place at the same time (e.g., divorce, loss of a close relative, etc.) * linguistic or cultural barriers