curettage
noun [ U ] medical specialized uk/ˌkjʊə.rɪˈtɑːʒ/ us/ˈkjʊr.əˌtɑːʒ/
（子宫）刮除术，刮治术
a process in which tissue or growths are removed from the inside of body cavities, such as the uterus
A high proportion of dilatation and curettage operations are performed on women under the age of 40. 接受扩宫和刮宫手术的女性有很大一部分年龄在40岁以下。