 A nurse will notice the patients reaction and will evaluate the pain, depending on the movements of the hands and the body and the womans moaning. Moreover, the assistant will note down the personal data and the history of the patient. The operator will record the objective and subjective difficulty of the performance, using a rating scale from 0 to 9. The length of the procedure, the volume of contrast used, the amount of radiations and the time of exposure of the patient will also be considered. 