Endometriosis is an enigmatic disease and its fundamental cause is still unknown. Endometriosis-associated pain syndrome is a common problem; it is underdiagnosed and patients suffering from the syndrome are rarely seen in specialist pain clinics. The correlation between the extent of the disease and pain is weak. Endometriosis-associated pain syndrome may be cyclical or persistent and the pain may radiate to other pelvic organs. Optimum treatment is timely intervention using a multidisciplinary approach.
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