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Introduction
The incidence and prevalence of pelvic endometriosis is still being debated. Population‐based studies have shown annual incidences between 0.1% and 0.3%, which translates to a prevalence of symptom‐giving disease of between 2% and 6% over a 20‐year span in the reproductive years. However, a prevalence of 10% or higher is often assumed. We used Iceland's extensive record linkage possibilities,...