BioScience Dictionary

 
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Found Chorionic villus sampling 2 times.

Displaying results 1 to 10.

1. Chorionic villus sampling
This is a technique of prenatal genetic screening by obtaining samples from the chorionic villi. It can be done at 8 to 10 weeks of gestation (earlier than amniocentesis) but complication rates are higher than with amniocentesis.

2. Chorionic villus sampling (CVS)
Taking a biopsy of the placenta , usually at the end of the second month of pregnancy, to test the fetus for genetic abnormalities ( mutation s).