Amenorrhea was reported in 60 % of thermal balloon ablation and 62 % of bipolar radiofrequency ablation ( odds ratio [ OR ] 1.09 [ 0.38-3 .11 ] ) and satisfaction with treatment outcome in 96 % of thermal balloon ablation and 96 % of bipolar radiofrequency ablation ( OR 0.92 [ 0.05-25 .59 ] ) .