An Rh-negative pregnant woman with an Rh-positive partner should receive anti-D immunoglobulin when?

Answer and explanation

Correct answer: A. At about 28 weeks and after birth of an Rh-positive baby

  1. Step 1: Anti-D prevents the formation of antibodies that could harm the next pregnancy.
Answer
At about 28 weeks and after birth of an Rh-positive baby.
Why not the others: Waiting until symptoms appear would be too late.

Practise more Obstetrics.

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