Bleeding or infection generally result if the uterus is not emptied after incomplete
miscarriage (where parts of the products of conception are left in the uterus).
Therefore, it should be effectively managed with safe and appropriate procedures.
Vacuum aspiration is a safe, quick and easy method to be performed. It is also
less painful than dilatation and curettage, which is often done under general
anesthesia in an operating room.
Comparison of different types of vacuum aspiration including the use of different
cannulas or different sources of vacuum pressure (manual/syringe, electric)
merits further research.