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yan xia

Asbugroup B have IgG anti-A, is it possible

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Posted (edited)

I just encounter a 3 days old baby, his type is A pos, and has anti-A in his blood. His mom is A subgroup B.

If the baby have anti-A, it is IgG.

Is it possible an A sub B produce IgG anti-A? 

Thanks for your advise.

Edited by yan xia
typo

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 My experience  and knowledge  in bloodbank is so little. This is the first time I met an warm reactive anti-A1 and which can pass the placenta barria. It is new to me.

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The baby's DAT is negative. Yes, the baby has anaemic and very bad sicked on the machine to help him breath. He has very servere infection, maybe this cover the symptoms which shows HDFN. And ABO HDFN is always mild. The jaundice is normal.

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I have met two cases of babies. Their plasma had anti-A or anti-B, as their correspond type. And the doctors had not seen HDFN signs clinically. We found it through crossmatch.( we issue same  type blood to infant have no ABO HDFN).

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