What classification of abortion consists of an open cervical os with some products of conception expelled?

The classification of abortion that describes an open cervical os with some products of conception expelled is known as an incomplete abortion. In this situation, the presence of an open cervical os indicates that the body is in the process of expelling the products of conception, but not all of the tissue has been expelled from the uterus. This condition may lead to ongoing bleeding and cramping, as the uterus may still contain some products that have not yet been expelled.

Understanding the nuances of the different types of abortion is crucial for accurate diagnosis and management. Incomplete abortion can often require medical intervention to prevent complications such as infection or significant hemorrhage. It's important to distinguish this from other types of abortions, such as threatened abortion, which refers to vaginal bleeding without cervical dilation; inevitable abortion, where there is cervical dilation and no tissue has yet been expelled but loss is imminent; and complete abortion, where all products of conception have been expelled and the cervical os is closed.