A Pilot Feasibility Multicenter Study of Patients After Excision of Endometriosis

Objective: To serve as a pilot feasibility study for a ran-domized study of excision versus ablation in the treatment of endometriosis by (1) estimating the magnitude of change in symptoms after excision only at multiple refer-ral centers and (2) determining the proportion of women willing to participate in a randomized trial. Methods: We performed a multicenter prospective study of women undergoing excision for endometriosis (Cana-