Clinical markers of endometriosis: Have we been too quick to judge?

Numerous biochemical differences have been documented in women with endometriosis compared to controls; however, identification of a clinically useful marker of endometriosis remains elusive. We postulate that the diversity of clinical presentations, patient objectives, and complexity of the pathophysiology of endometriosis mandates rigorous attention to study design and standardization of procedures and questionnaires that has heretofore been …