Are Transfusions Harmful to Men if the Blood Comes from Women Who Have Been Pregnant?

October 17, 2017

(STAT News) – en who received a blood transfusion from a woman who had ever been pregnant had a higher risk of dying prematurely than men who got blood from a man or a never-pregnant woman, scientists reported on Tuesday. Bizarre as this seems, researchers have seen hints of a “mother effect” on blood transfusions before. Half a dozen studies have found that recipients were more likely to die after receiving blood from a woman than from a man — though the biggest and most recent did not.

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