Endometrial ablation is most often employed in women who suffer from excessive menstrual bleeding, who have failed medical therapy and do not wish to undergo a hysterectomy. Heavy menstrual bleeding is most commonly due to dysfunctional uterine bleeding or adenomyosis. The procedure is almost always performed as an outpatient treatment, either at the hospital, ambulatory surgery center, or physician office. The Endometrial Ablation procedure is primarily performed while patients are under local and/or light sedative anesthesia, or if necessary, general or spinal anesthesia. Patients normally leave the treatment facility within one hour following the procedure and generally spend one day resting at home, before returning to the activities of daily living.