Hemolytic disease of the newborn is most likely when an Rh ________ mother has previously given birth to an Rh ________ infant and is now pregnant with an Rh ________ fetus.
A) negative; positive; positive
B) positive; negative; positive
C) negative; positive; negative
D) positive; negative; negative

Question

Quizplus · Accepted Answer

Hemolytic disease of the newborn occurs when an Rh-negative mother, who has become sensitized to Rh-positive blood (usually through a previous pregnancy with an Rh-positive baby), carries an Rh-positive fetus. The mother's immune system may attack the fetus's red blood cells, leading to hemolysis.

Hemolytic Disease of the Newborn Is Most Likely When an Rh