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	Our customers say... "The suspense was just about killing me and I have just received the results. I am shocked! The boys were delivered by C-section (with me having been given an epidural) and I was told at the time that there were two sacs and two placentas so it seemed highly unlikely that they were identical - yes, they resemble each other a great deal but I felt there were sufficient differences to substantiate my original assumption. " -Maggie (Gros Islet, St. Lucia) more...

September 6, 2010

Are your twins or triplets identical or fraternal?

Offering A Twin DNA Test That Is Affordable & Accurate

Sometimes it is unclear whether same-sex twins are identical twins or fraternal twins. A bloodless twin DNA test, or zygosity test, offers a conclusive answer. In particular, same-sex twins who were dichorionic (2 placentas) are actually genetically identical about 30% of the time. Also, for deliveries where the placental anatomy was not confirmed, are ideal candidates for a twin DNA test. Using an at-home collection kit, DNA is easily obtained from cheek swabs and returned to our lab through the mail for analysis. The twin DNA test examines special DNA sequences that are used in human identity. There are several ordering options or call and speak with us at 1-866-894-6362.

Click here to see the benefits of the Proactive Genetics twin DNA test.

Triplet testing is also available.

We've assembled some fantastic resources for parents of twins and twins who want to learn more about twin zygosity. See our FAQs. Also see the glossary for some quick biology definitions.

Current clientcs can follow the status of their twin DNA test here. Estimated date of results delivery is available, along with confirmation that we have received your DNA samples.