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Our customers say...

"Thank you for the confirmation that our twin boys are identical. We suspected they were but it is wonderful to know for sure. We appreciate the service you provide and how quickly and inexpensively you have done it."
-Kelli (Lafayette, IN)


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July 31, 2010
Testing Services
Twin Zygosity Test $150.00* per twin pair
Triplet Zygosity Test $225.00* per triplet set

Shipping and Handling
USPS First Class Mail (U.S. only) $10.00
Priority International (Canada only) $15.00
USPS International (International only) $20.00


View Ordering Options

*Due in part to recent additional laboratory licensing fees, this price may be different from a price in previously published advertisements.

Contents of a Twin Zygosity Test Kit:
(2) sets of ten cotton swabs
(2) labeled vials with storage solution
(1) set of buccal swab instructions
(1) protective bubble-wrap envelope
(1) prepaid First Class Mail return mailer (U.S. only)

Shipping Options
~ Parents of twins who live with the twins may select the shipping option: "Yourself". Both swab kits will be sent to one address.
~ For twins who live apart, choose shipping option "Each Multiple Separately" and 2 addresses can be specified.

Other Details
~ Prepaid return postage not available for non-U.S. orders.
~ Commercial accounts for twins' studies are available for discounted bulk orders for twin zygosity test kits.
~ All prices are in U.S. dollars.
~ Exchange rates can be calculated here.

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