Chorionic Villus Sampling (CVS): What Affects The Test
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What Affects the Test
In rare cases, the chorionic villus cells may have abnormal genetic material even though the baby's cells are normal. This is called a false-positive result. An abnormal test result may need to be confirmed by amniocentesis.
| Last updated: | May 13, 2008 |
|---|---|
| Author: | Sandy Jocoy, RN |
| Reviewed By: | Sarah Marshall, MD - Family Medicine, Kirtly Jones, MD - Obstetrics and Gynecology |
| Editors: | Kathleen M. Ariss, MS, Tracy Landauer |
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