Chorionic Villus Sampling
Chorionic villus sampling (synonyms: chorionic biopsy; villus skin test; placenta puncture; Chorionic Villus Sampling (CVS)) is the removal of tissue from the fetal (child) portion of the placenta. The tissue obtained is used to perform karyotyping/chromosome analysis in the laboratory Indications (areas of application) Age over 35 years Abnormal first trimester screening (ETS; screening examination … Chorionic Villus Sampling