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Home / Medical & Testing / Twin zygosity

Twin zygosity DNA testing.

Learn whether twins are identical or fraternal with a private DNA test in Stockbridge.

Who it’s for

For twins and their families.

Parents of twins. Adult twins. Families who want a clear answer.

How to book

In office or mobile.

Visit our Stockbridge office, or book a mobile visit to your home, office or event.

BOOK ONLINE

Choose your appointment

Mobile visits come to your home, office or event. After-hours and weekend appointments are available for an added fee.

After-hours DNA appointments: available for approved in-office DNA testing appointments scheduled before 9:00 AM or after 5:00 PM. Additional fee: $100.

Twin zygosity DNA test

In office

Twin zygosity DNA test

Mobile visit

HOW IT WORKS

Three simple steps.

1

Talk to us first

Tell us what you need. We’ll confirm the right test before you book.

2

Private collection

A gentle cheek swab in a private room at our Stockbridge office.

3

Confidential results

Results are released only to authorized parties.

What to bring & pricing

Everything you need for a smooth visit.

Bring

  • Government photo ID for each adult

  • A legal guardian for any minor

Pricing

Current pricing is shown when you book online. Contact DMW for expected turnaround.

TWIN ZYGOSITY FAQ

Common questions

Is collection painful?

No. DNA collection is a gentle cheek swab.

How much does it cost, and how long do results take?

Current pricing is shown for each option when you book online. We’ll confirm expected turnaround before your visit.

Identical or fraternal? Find out.

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