Chorionic villus sampling is generally performed between
Biopsy of chorionic villi is generally performed between 10 and 13 weeks gestation. Although most procedures are performed to assess fetal karyotype, numerous specialized genetic tests can also be performed by chorionic villus sampling (CVS). The primary advantage of villus biopsy is that results are available earlier in pregnancy, allowing safer pregnancy termination if desired.
8 to 10 weeks
10 to 13 weeks
15 to 18 weeks
20 to 24weeks
General obstetrics