The Nurse Explains That the Rh-Negative Mother Who Should Receive

The nurse explains that the Rh-negative mother who should receive RhoGAM is the mother who:

A) Has had one Rh-negative child and is pregnant with an Rh-negative child
B) Had an Rh-positive baby and is pregnant with an Rh-positive baby
C) Has had an O-negative child and is pregnant with a B-negative child
D) Is a primipara with an O-negative child