Paternity Testing: Collecting a DNA Sample

To collect DNA samples for paternity testing is typically through a buccal smear, or cheek swab. Cheek swabs are a non-invasive way to collect DNA material for accurate paternity testing. In most cases, samples from the child, potential father and mother are tested.

In cases involving an unborn child, blood or umbilical fluid from the mother can be used to extract DNA to compare to the potential father’s DNA. To check paternity after a child’s birth, blood from either the umbilical cord or the infant’s cheek can be used for paternity testing

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