Final answer:
Complete abortion is the type of abortion characterized by the expulsion of all products of conception without the need for medical intervention.
Step-by-step explanation:
The type of abortion that is characterized by the expulsion of all products of conception without the need for medical intervention is Complete abortion. In a complete abortion, the pregnancy is terminated naturally without any remaining products of conception. This is different from other types of abortion such as inevitable abortion, missed abortion, and threatened abortion, which may require medical intervention.