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What's the difference between CVS and amniocentesis?

Chorionic villus sampling (CVS) is used to test for evidence of chromosomal abnormalities in the fetus, such as Down syndrome. CVS is an alternative to amniocentesis. The advantage of CVS over amniocentesis is that a CVS test can be performed earlier, allowing more time for you to receive counseling and make decisions. Risk of miscarriage, although small, is higher with CVS than with amniocentesis and must be weighed against any benefits.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.