Chorionic Villi Sampling - Hutchinson encyclopedia article about Chorionic Villi Sampling Printer Friendly
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chorionic villus sampling
(redirected from Chorionic Villi Sampling)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.

chorionic villus sampling

Biopsy of a small sample of placental tissue, carried out in early pregnancy at 10–12 weeks' gestation. Since the placenta forms from embryonic cells, the tissue obtained can be tested to reveal genetic abnormality in the fetus. The advantage of CVS over amniocentesis is that it provides an earlier diagnosis, so that if any abnormality is discovered, and the parents opt for an abortion, it can be carried out more safely.



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The procedure, chorionic villi sampling (CVS), has been used in the past 10 years at prenatal diagnostic centers, including hospitals, outpatient clinics and obstetricians' offices.
Patients can have chorionic villi sampling (CVS) at 10-12 weeks or an earlier
nbsp;fluid or chorionic villi sampling when both parents are carriers.
 
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