DNA Testing Guides, Answers & Resources
Find Answers About Paternity, Legal, Prenatal & Relationship DNA Testing
Explore practical DNA testing guides from GameDay DNA. Find clear information about legal and at-home paternity testing, non-invasive prenatal paternity testing, immigration DNA testing, relationship tests, DNA test costs, sample collection, result timing, and what to expect before you schedule.
Whether you need personal knowledge, a court-ready collection process, or help understanding which family members should participate, our articles are designed to help you identify the right next step. For case-specific legal, court, immigration, or vital-records requirements, always confirm instructions with the requesting agency, court, attorney, or organization.
Blood, Cheek Swabs, or Saliva: Which Sample Does a Paternity Test Need?
Cheek swabs are commonly used for post-birth paternity testing, while prenatal testing requires a maternal blood sample. Learn why sample type alone does not determine accuracy and why spit tubes cannot replace swabs without laboratory approval.