Question

Why would there be cause for concern if a young pregnant mother is rh-, her husband is rh , and this is their second child?

Answer 1

If the mother was given RhoGAM before or shortly after the birth of the first child, there
is little concern, because the RhoGAM prevented the mother from sensitizing herself
against her child. If she did not take RhoGAM, there is a chance the second child will
develop erythroblastosis fetalis and die before birth.