The nurse is preparing teaching on maternal–fetal ABO incompatibility for antepartum clients. Which statement should the nurse include in the teaching information?
1. In most cases, ABO incompatibility is limited to type A mothers with a type B or O fetus.
2. In most cases, ABO incompatibility is limited to type O mothers with a type A or B fetus.
3. ABO incompatibility occurs as a result of the fetal serum antibodies present and interaction between the antigen sites on the maternal red blood cells (RBCs).
4. Group A infants, because they have no antigenic sites on the red blood cells (RBCs), are never affected regardless of the mother's blood type.
2
Explanation:
1. In most cases, ABO incompatibility is limited to type O mothers with a type A or B fetus. The group B fetus of a group A mother and the group A fetus of a group B mother are only occasionally affected.
2. In most cases, ABO incompatibility is limited to type O mothers with a type A or B fetus. The group B fetus of a group A mother and the group A fetus of a group B mother are only occasionally affected.
3. The incompatibility occurs as a result of the maternal antibodies present in her serum and interaction between the antigen sites on the fetal red blood cells (RBCs).
4. Group O infants, because they have no antigenic sites on the red blood cells (RBCs), are never affected regardless of the mother's blood type.
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