Based on the current literature, comparative assessment of the advantages and disadvantages of the Nd-Yag laser versus the electro-surgical resector show both techniques to be similar with regard to efficiency, risk and security. However, regarding cost, there is no doubt that the resector is preferred which additionally allows histologic diagnosis and use in an emergency setting in spite of bleeding. Specific and rigorous hysteroscopic training, first diagnostic then operative, decreases the risk and complications of hysteroscopic procedures.