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blood type
Me and my husband has O+ blood but my child is B+. It is possible
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13167 tn?1327197724
In theory,  no.  

Below is a chart.  It shows if two parents are O,  the child is O.

Usually Dads ask this question - not Moms.  Are you sure he's the dad?

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13167 tn?1327197724
Oops,  forgot to post the chart:

http://www.canadiancrc.com/paternity_determination_blood_type.aspx
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My Ex husband the father of my 2 children is o+ and I'm also o+ and my 2 children are B+ so it is possible
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13167 tn?1327197724
Babydust,  there is a blood disorder that causes some people to test O when they are actually A or B.  Lacking some kind of thing that makes the A or B antigen show up in testing.

So in those cases,  where a parent is actually an A or B but the testing doesn't detect those antigens,  and instead it appears the parent is an O,  they can have a child who is a B.

But two true O parents can only product O babies.
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