Understanding your Paternity Test Results

How do I read and understand my paternity test results?

Following paternity testing guidelines, paternity results show whether the possible father IS EXCLUDED or IS NOT EXCLUDED as the biological father.  For example:

If the paternity test result reads “IS EXCLUDED as the biological father, the Combined Parentage Index (CPI) is 0 and has a 0% of probability,” this means that he cannot be the father because the analysis shows that they do not share a paternity relationship.

Or, if it reads “IS NOT EXCLUDED as the biological father, the Combined Parentage Index (CPI) is 100 (or higher) and has a 99% (or greater) probability,” this means that he is considered to be the father because the analysis shows that they share a paternity relationship.

For a more detailed discussion about paternity test reports, please see this article: http://www.dnatesting.com/genetipedia/article/the-results-statement.

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