Non‐invasive fetal RhD genotyping will enable ethical and cost‐effective targeting of prophylaxis
There are many unique and inspiring aspects to the story of haemolytic disease of the fetus and newborn. This once common, mysterious, and potentially devastating disease has been known for centuries. It may have been the reason for the shocking obstetric history of Katherine of Aragon, the first wife of Henry VIII; the course of British history might have been very different had anti‐RhD been available in Tudor England.1
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