Erythroblastosis fetalis is a condition seen when there is________________?

Correct answer: C. Rh -ve mother and Rh +ve foetus

  • A. Rh -ve mother and Rh -ve foetus
  • B. Rh +ve mother and Rh -ve foetus
  • C. Rh -ve mother and Rh +ve foetus
  • D. Rh +ve mother and Rh +ve foetus

Explanation

The classic setting is an Rh-negative mother carrying an Rh-positive fetus, with maternal anti-D antibodies damaging fetal red cells after sensitization. Rh incompatibility is therefore determined by the mother being negative and the fetus positive.

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