Why are pregnant Rh- women given an injection of Rh immune globulin?
a) antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-D antibodies
b) antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-A and anti-B antibodies
c) antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-A antibodies
d) antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-O antibodies
e) antibodies in the injection bind fetal RBC antigens so they cannot stimulate her immune system to produce anti-B antibodies