2 doctors weighed in:

I am blood type o+ what blood type would my parents have?

2 doctors weighed in
Dr. Gurmukh Singh
Pathology
1 doctor agrees

In brief: Many possibilities

At leasat one of your parents would have to be rh positive.
For the ABO system, your parents could be group o, either one could be a or b. The only group they cannot have is ab.

In brief: Many possibilities

At leasat one of your parents would have to be rh positive.
For the ABO system, your parents could be group o, either one could be a or b. The only group they cannot have is ab.
Dr. Gurmukh Singh
Dr. Gurmukh Singh
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