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A 28-year-old male asked:

What is the definition or description of: chorionic villi sampling?

2 doctor answers9 doctors weighed in
Dr. Joseph Valenti
Obstetrics and Gynecology 28 years experience
A biopsy of placenta: It is a small biopsy of the developing placenta taken to analyze the chromosomal makeup of that fetus, i.e. Genetic testing.
Dr. Joshua Hurwitz
Specializes in Obstetrics and Gynecology
Chromosomal test: Cvs is an invasive diagnostic test of a developing fetus during pregnancy. It uses a needle to biopsy placental tissue. This tissue can then be used to diagnose the chromosomes of the baby & tell if there is healthy chromosome number ("euploid") or abnormal number ("aneuploid)" like downs syndrome or other chromsomal issues.This can be done about 12 wks of pregnancy.

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Last updated Jun 10, 2014
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