Rh0 immune globulin will be ordered postpartum if which situation occurs?
a. Mother Rh-negative, baby Rh-positive
b. Mother Rh-negative, baby Rh-negative
c. Mother Rh-positive, baby Rh-positive
d. Mother Rh-positive, baby Rh-negative
A
An Rh-negative mother delivering an Rh-positive baby may develop antibodies to fetal cells that entered her bloodstream when the placenta separated. The Rho immune globulin works to destroy the fetal cells in the maternal circulation before sensitization occurs.
The blood types are alike in options B and C, so no antibody formation would be anticipated.
If the Rh-positive blood of the mother comes in contact with the Rh-negative blood of the infant, no antibodies would develop because the antigens are in the mother's blood, not the infant's.
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