A 37-year-old member asked:
i want to find out who my baby's father is without a dna test. can i use the old fashioned blood type testing?
2 doctor answers
Dr. James Ferguson answered
45 years experience Pediatrics
Too vague: Blood type testing can certainly exclude a designated person if their blood type is incompatible with that of the child. For example, a dad who is ab would not have a kid that was an o. But narrowing down & proving someone is by this means is unlikely.There are some companies that offer dna tests for this purpose & some states will require this method to identify dads for child support disputes.
Answered on Jun 23, 2015
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