Which of the following statements regarding chorionic villus sampling (CVS) and amniocentesis is true?
A) Both CVS and amniocentesis increase the risk of limb deformities in the fetus.
B) Amniocentesis allows a decision on abortion to be made sooner than chorionic villus sampling.
c) Both CVS and amniocentesis provide valuable information about the presence of birth defects.
D) Both CVS and amniocentesis increase the risk of miscarriage.