5 doctors weighed in:
What are the possibilities for child's blood type if mom is o+ and dad is o-?
5 doctors weighed in

Dr. David Galbraith
Pediatrics
3 doctors agree
In brief: Only two.
O positive or o negative.

In brief: Only two.
O positive or o negative.
Dr. David Galbraith
Dr. David Galbraith
Thank
Dr. Richard Pollard
Anesthesiology
In brief: Definitely O
The rhesus factor (+ or -) can be a little more tricky.
I would guess o+.

In brief: Definitely O
The rhesus factor (+ or -) can be a little more tricky.
I would guess o+.
Dr. Richard Pollard
Dr. Richard Pollard
Thank
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