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Whilst giving blood this morning, I noticed a sign asking for 'platelet doners'. I asked a member of staff and she told me I can't be one because I'm AB+ and at the moment they're "not yet accepting" anything other than Os and As.
She said it through gritted teeth, as if she was angry that they're still not yet accepting other blood groups, especially seeing as even out of those who can and do become platelet doners, only one in every five can actually be accepted.
So I was wondering what platelet doning actually is, why they are only accepting blood groups A and O and if that's likely to change in the near future. Many thanks in advance.
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For more on marking an answer as the "Best Answer", please visit our FAQ.about the why only 0 and A:
maybe its because it's not possible to separate the platelets from all the antibodies in the blood. as 0-blood has antigenes against A and B on the erythrocytes, there are no antibodies. So platelets from 0- donors can be given to basically all patients. and AB+ platelets can only be given to AB+ patients - a small minority.
as A is one of the most common groups it might be worth accepting A-donors, because it's still safer to give the matching group, as there are other factors besides AB0 and Rhesus (Kell...)
hope that's been some help
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