Can Anesthesia Be Used For An Endometrial Biopsy?

CAN i BE PUT UNDER ANESTHESIA ,SIMILAR TO WHEN YOU HAVE A COLONOSCOPY, FOR AN ENDOMETRIAL BIOPSY? I'VE HAD THE BIOPSY DONE BEFORE.EXTREMELY PAINFUL. 2ND TIME I HAD A D& C. NOW I NEED THE BIOPSY AGAIN AND REQUESTED TO BE UNDER AND THEY SAID THEY COULD SPRAY WITH LIDOCAINE PRIOR TO BUT SHE WON'T PUT ME OUT FOR A BIOPSY.