Cronic Villus sampling utilizes either a catheter or needle to biopsy placental cells that are derived from the same fertilized egg as the fetus. During amniocentesis, a small sample of the fluid that surrounds the fetus is removed.
Chorionic villus sampling, sometimes called "chorionic villous sampling", is a form of prenatal diagnosis to determine chromosomal or genetic disorders in the fetus.Amniocentesis can be performed in a transabdominal manner while chorionic villus sampling can be performed in both transcervical or transabdominal manner.
