Question

9 why would a person have anti - rh antibodies present in their blood? multiple choice an rh - negative woman is carrying an rh - positive fetus. a person cannot have anti - rh antibodies in their blood. an rh - positive woman is carrying an rh - negative fetus. they are rh - positive and were exposed to rh - negative blood.

Explanation:

When an Rh - negative woman is pregnant with an Rh - positive fetus, during pregnancy (especially during childbirth), some of the fetal Rh - positive blood cells can enter the mother's bloodstream. Since the mother is Rh - negative, her immune system recognizes the Rh - positive cells as foreign. Her immune system then produces anti - Rh antibodies.

Answer:

An Rh - negative woman is carrying an Rh - positive fetus.