Fetal-maternal erythrocyte distribution

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Kleihauer-Betke stain

In a normal value, no or few of the baby's cells are in the mother's blood. The standard dose of RhoGAM is enough in this case.

Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.

In an abnormal test result, blood from the unborn baby is leaking into the mother's blood circulation. The more of the baby's cells there are, the more Rh immune globulin the mother must receive.

Review Date: 07/26/2010
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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