Exam questionKROK 1Medicine · 2017
A woman with the III (В), Rh (-) blood group gave birth to a child with the II (А) blood group. The child is diagnosed with hemolytic disease of newborn caused by rhesus incompatibility. What blood group and Rh are likely in the father?
Answer options
- III (B), Rh (+)
- I (0), Rh (+)
- II (A), Rh (-)
- I (0), Rh (-)
- II (А), Rh (+)
Correct answer
II (А), Rh (+)
Explanation
Rh incompatibility develops only when the mother is Rh-negative, the father Rh-positive and the infant is Rh-positive.
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