part of has input prenatal genetic testing chorionic villus sampling 2020-03-19T19:51:26Z A prenatal test in which a sample of chorionic villi is removed from the placenta for testing. The sample can be taken through the cervix (transcervical) or the abdominal wall (transabdominal). Mayo Clinic chorionic villus biopsy The biopsy of placental tissue containing the chorionic villi from the maternal uterus in early pregnancy to diagnose fetal genetic defects. 2022-06-23T20:39:14Z http://orcid.org/0000-0001-7941-2961 CVS NCIT:C92755 clinical biopsy by site whole body examination therapeutic procedure of organ diagnostic procedure of organ chorionic villus