Which of the Following Statements Concerning Chorionic Villus Sampling Are

Multiple Choice

Which of the following statements concerning chorionic villus sampling are TRUE? (Select all that apply.)

A) A karyotype can be made from fetal cells.
B) It is usually performed between the 10th and 12th weeks of pregnancy.
C) It has fewer complications than does amniocentesis.
D) Biochemical analyses can be performed on fetal cells.
E) The fetal cells obtained usually do not need to be cultured.