How accurate is a nail paternity test? Nail paternity testing is a method of determining the accuracy of paternity by conducting genetic analysis on the subject\’s nail samples. Nail samples are more convenient to collect than blood samples and oral mucosa samples, and their accuracy is relatively high. However, is the accuracy of nail paternity testing really reliable? Below we analyze it from several aspects. 1. Technology maturity: Nail paternity testing technology has experienced many years of development abroad, and its maturity is relatively high. There are also many practical