Treatment of Endometriosis in Canada

Eligibility Details: Inclusion Criteria: - Prescribed elagolix as part of standard treatment - Naive to elagolix prior to starting this study or have stopped taking elagolix for 2 months prior to the start of this study - Symptomatic endometriosis (clinically or surgically diagnosed) including currently experiencing dysmenorrhea - Has provided written informed consent allowing the use of their data for the study Exclusion Criteria: - Did not consent - Cannot fill out questionnaires - Prescribed elagolix for a period of 1 or 2 months only - Post-menopausal (naturally or surgically) - Symptomatic uterine fibroid(s) - Had medical treatment for uterine fibroids (any length of treatment)