Karyotype Test

Chromosome Analysis

What To Think About

• Sometimes a karyotype test is combined with other genetic tests to provide more specific information about genetic problems. For more information, see the medical test Genetic Test.
• If the results of karyotype are abnormal, other family members may be advised to undergo testing.
• A sample taken by gently swabbing the tissues inside the cheek (called a buccal swab) sometimes is used for a karyotype test. But results from buccal swabbing are less accurate than other types of karyotype tests.
• Since the information obtained from karyotyping can have a profound impact on your life, you may want to see a doctor who specializes in genetics (geneticist) or a genetic counselor. This type of counselor is trained to help you understand what karyotype test results mean for you, such as your risk for having a child with a disease like Down syndrome that is caused by a chromosome problem. A genetic counselor can help you make well-informed decisions. Ask to have genetic counseling before making a decision about a karyotype test.

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Author:	Maria G. Essig, MS, ELS	Last Updated: April 20, 2009
Medical Review:	Joy Melnikow, MD, MPH - Family Medicine Siobhan M. Dolan, MD, MPH - Reproductive Genetics
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