The major advantage of chorionic villus sampling (CVS)over amniocentesis is that it
A) is not an invasive procedure.
B) does not require hospitalization.
C) has less risk of spontaneous abortion.
D) is performed earlier in pregnancy.

Question

Quizplus · Accepted Answer

CVS is performed between 10 and 13 weeks of gestation,providing earlier results than amniocentesis,which is normally done during the second and third trimesters,although it can be done as early as 11 weeks if needed.The woman does not need hospitalization for this invasive procedure,and the risk of spontaneous abortion is about the same for both procedures.

The Major Advantage of Chorionic Villus Sampling (CVS)over Amniocentesis Is