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The Most Accurate Test Results

Spaychek® is a unique anti-Müllerian hormone (AMH) Elisa kit that helps you determine the spay or castration status of an animal. We ship to labs nationwide.

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Vet with cat

Available at the following Commercial Labs*

Clinical Endocrinology Lab
• U.C. Davis School of Veterinary Medicine
• Phone: 530-752-0298
• Website: www.vetmed.ucdavis.edu/phr/endolab

Cornell University Animal Health Diagnostic Center

Interpretative statement provided by Cornell Veterinary Endocrinology Lab:
The qualitative AMH test for dogs and cats is meant to distinguish between spayed and ovarian intact bitches and queens after they have reached the age of sexual maturity (varies by breed). A negative AMH test is consistent with a spayed female, whereas a positive AMH test indicates the presence of ovaries. An inconclusive AMH result cannot distinguish between the intact and spayed conditions. Intact females tested before reproductive maturity or after reproductive senescence may have a negative AMH test. The AMH test has also been evaluated for ovarian remnant syndrome, and a positive test is consistent with the presence of an ovarian remnant in animals that had been previously spayed. A negative AMH test does not rule out ovarian remnant syndrome, and progesterone baseline testing is recommended in conjunction with AMH if clinical signs are consistent with a remnant in a previously spayed animal. This is because ovarian remnants that are mostly luteal tissue do not express AMH, but they do produce progesterone.

• Phone: 607-253-3673
• Website: https://ahdc.vet.cornell.edu/sects/Endo/
*Please call the lab directly for pricing, submission requirements and questions regarding patient testing.