Which of the Following Is Not a Reason Chorionic Villi

Multiple Choice

Which of the following is not a reason chorionic villi sampling is used to determine the fetal karyotype?

A) The results of the karyotype can be obtained ealrier than with an amniocentesis.
B) There is no danger to the fetus in removing chorionic villi.
C) The chorion is the fetal part of the placenta.
D) Prospective parents want to know whether a chromosomal abnormality exists in the fetus.
E) It is relatively to remove chorionic villi with a suction tube.