In the same way of induced abortion, the smaller gestational sac is sucked, while the larger gestational sac can't be sucked cleanly simply by suction. In order to prevent residue, it is still necessary to do curettage examination of the inner wall of the uterus. Curettage is the most harmful, because the basic principle is to destroy the inner wall of the uterus, and the uterine membrane takes a long time to recover.

Curettage curettage is commonly used in curettage, and the early metal is like this:

Uterine cavity tissue suction tube is generally used for uterine cavity suction, and metal tube is used in the early stage, which has the problem of reuse and disinfection, so disposable plastic tube is used now: