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A 37-year-old female asked:

Is there anything that can affect the results of a paternity test?

2 doctor answers2 doctors weighed in
Dr. Jack Mutnick
Allergy and Immunology 17 years experience
Lab Error: Only lab error. If you want to make sure no errors are made, you repeat the test a 2nd time for confirmation or to refute.
Dr. Anatoly Belilovsky
Pediatrics 35 years experience
Not much.: Telling which of two identical twins is the father is a challenge, of course; also, "mosaicism" - having 2 different genetic populations of cells in one body - is possible; a sperm could come from one population, and the tested cell from another. And there is also mishandling a specimen.

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Last updated Sep 16, 2013

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