Ask The Doctor > Questions & Answers > Child’s Blood Type from Parents Blood Types

Child’s Blood Type from Parents Blood Types

Patient: Can a child have B negative or B positive blood if mother is O negative and father is A positive.

 

 

Doctor: There are basically four primary common Blood types A, B, AB, O. If one parent has A and the has O, they can either prod uce a child with A or O blood types, but never a B  or AB blood type. The same happens with the Rh types. With one parent having a Rh positive and the other being Rh negative, the child can either be Rh positive or RH negative.

 


 

 
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Dr. Suneel Sharman M.D.

Dr. Suneel Sharman M.D.

Dr. Suneel Sharman completed his residency in Family Medicine at the University of Toronto. He currently operates Infinity Health Centre, a walk-in-clinic in downtown Toronto.

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