Accurate Twin DNA Testing – Determine Identical or Fraternal Twins

Use DNA to understand the relationship between twins.

Twin DNA Test

What Is Twin DNA Testing? Learn How It Identifies Identical vs. Fraternal Twins

Twin DNA testing, also known as twin zygosity testing, is the most reliable way to determine whether twins are identical or fraternal. This test analyzes the twins' unique DNA profiles, providing accurate results in just five business days. Whether for medical reasons, lost records, or personal curiosity, twin zygosity testing offers peace of mind and clarity for families worldwide.

Step-by-Step Guide: How the Twin DNA Test Works

  • cover-art-of-telephone

    Initial Consultation with Support

  • schedule-a-dna-test

    Scheduling & Financial Considerations

  • dna-testing-sign

    DNA Sample Collection Procedure

  • dna-results-received

    Result Delivery & Interpretation

Schedule an Appointment

If you are adult twins living in different states, we’ll send out separate testing materials—easy!

Twin DNA Test

Top Reasons to Choose Twin DNA Testing – Health, Records, and More

There are many reasons to consider twin DNA testing:

  • Confirm whether twins are identical or fraternal with scientific accuracy.

  • Address medical or genetic concerns that require precise zygosity information.

  • Recover lost medical records about twin relationships.

  • Resolve doubts about physical differences as twins grow older.

Twin DNA Test

Explore Your Options: Legal vs. Peace of Mind Twin DNA Testing

We offer two convenient options for twin DNA testing:

  1. Legal Testing: Ideal for court cases or official documentation, this option includes witnessed sample collection at an approved location near you.

  2. Peace of Mind Testing: Perfect for personal use, this option allows you to collect samples at home with our easy-to-use kit.

Schedule an Appointment

To order a Twin DNA Test, call 302.527.1789

 Frequently Asked Questions About the Twin DNA Test

 

  • Not necessarily. While separate placentas are more common in fraternal twins, identical twins can also develop separate placentas if the egg splits early during development. A twin DNA test is the only way to confirm whether twins are identical or fraternal with certainty.

  • Yes, twin DNA test results can be used for legal purposes if the test follows chain-of-custody procedures. This ensures that the samples were collected and handled properly, making the results admissible in court for cases like inheritance disputes or medical decisions.

  • No, there is no age limit for a twin DNA test. Samples can be collected from newborns, children, or adults using non-invasive cheek swabs, making it a safe option at any age.