The procedure is generally non-invasive and follows several technical steps:
Information for Parents on U.S. Citizenship and DNA Testing - Travel
: Laboratories extract DNA and analyze specific regions called Short Tandem Repeats (STRs) or genetic markers. paternity testing
: The most frequent type, typically involving simple cheek swabs from the child and alleged father. Prenatal (During Pregnancy) :
Paternity testing is a scientific process used to determine the biological relationship between a child and a potential father by comparing their genetic material . Modern DNA testing is considered the "gold standard" for its extreme accuracy, typically providing a for inclusions and 100% certainty for exclusions. How the Process Works The procedure is generally non-invasive and follows several
Testing can be categorized by timing and the intended use of the results:
: Specialists compare the patterns between the child and the potential father to calculate the "probability of paternity". Types of Paternity Tests Prenatal (During Pregnancy) : Paternity testing is a
: Requires a strict "chain of custody," where an unbiased third party verifies identities and supervises collection. These are admissible in court for matters like child support or custody.