There are usually more reasons for scraping the uterus, as follows: 1. abortion: it is a scraping procedure where the fetal sac is attached to the uterine wall, the endometrium, and the vacuum suction of the suction device is needed to suck the embryo out of the endometrial wall, while the endometrium is also brought out. A circular hollow spoon like scraper can be used to scrape out the endometrium with the pregnant tissue; 2. Endometrial thickening: it is a disease condition such as cancer which may require scraping treatment; 3. Polyps: they usually affect women’s menstruation and pregnancy and need to be removed, which is scraping; 4. Tumors: they may be small and the uterine cavity will be scraped down for laboratory tests, which need to be done completely and comprehensively to find the most needed tissue.