Investigator will examined the diagnostic effect of the endometrial washing by saline. Because this technique more less painful and easier compared to endometrial curettage. Participants will separate into two groups. In study groups before endometrial curettage 5 cc saline infused to the endometrial cavity then aspirate and put into thin prep to examined. After this procedure routine endometrial curettage will be done. In control group only endometrial curettage will be done. Pathologic results of thin prep and curettage will compared.