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Chorionic villus sampling - Results

Normal Values:

A normal result means there are no signs of any genetic defects. However the test could miss some genetic defects.

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

What abnormal results mean:

An abnormal result may be a sign of more than 200 disorders, including:

Down syndrome
Hemoglobinopathies
Tay-Sachs disease

Chorionic villus sampling

Chorionic villus sampling - series

Reviewed last on: 5/2/2008
Linda Vorvick, MD, Seattle Site Coordinator, Lecturer Maternal & Child Health, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine; and Susan Storck, MD, FACOG, Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine; Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Redmond, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Simpson JL. Otano L. Prenatal Genetic Diagnosis. In: Gabbe SG, Niebyl JR, Simpson JL. Obstetrics - Normal and Problem Pregnancies. 5th ed. New York, NY: Churchill Livingstone; 2007: Chap. 7.

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Chorionic villus sampling - Results

Normal Values:

What abnormal results mean:

References