Which of the following is true regarding erythroblastosis?

Erythroblastosis fetalis, also known as hemolytic disease of the newborn (HDN), is a condition that occurs when there is an incompatibility between the blood types of a pregnant mother and her fetus. It is most commonly caused by the Rh factor (Rh incompatibility).

During pregnancy, the maternal antibodies formed against Rh-positive cells can cross the placenta and attack the fetal red blood cells, leading to their destruction. This condition is called hemolysis,