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How is a chorionic villus sampling (CVS) test done? What happens during the test?

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Genetic counseling is recommended before the test.

An ultrasound will show how far along the embryo is and the location of the placenta. Chorionic villi be taken from the placenta through the vagina (with a speculum and thin plastic tube) or through the abdomen (with a thin needle). The chorionic villi sample will go to a lab, where the cells are grown in a special fluid and tested a few days later. Culture results will be available within 2 weeks. Your doctor will tell you what the results are.

From: Pregnancy and Chorionic Villus Sampling WebMD Medical Reference

Reviewed by Trina Pagano on September 20, 2018

Medically Reviewed on 09/20/2018

SOURCE: March of Dimes web site.
 

Reviewed by Trina Pagano on September 20, 2018

SOURCE: March of Dimes web site.
 

Reviewed by Trina Pagano on September 20, 2018

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What happens after a chorionic villus sampling (CVS) test?

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