A member asked:

Can there be a way to knowing your blood type without a blood test?

5 doctors weighed in across 2 answers
Dr. Steven Chmielewski answered

Specializes in Diagnostic Radiology

Not really.: If both of your parents are type o, then you would be type o. But there is the issue of the rh antigen (+ or -) that could not be predicted. Anyway, the only real way to know for sure is to be typed.

Answered 3/21/2020

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No: U need your blood drawn to see what type and rh factor you have.

Answered 5/11/2019

5.5k views

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