Your Pregnant Niece Is Scheduled for an Amniocentesis, but She

Multiple Choice

Your pregnant niece is scheduled for an amniocentesis, but she is confused by all the prenatal tests she has read about. What do you tell her about the process of amniocentesis?

A) It has not been used as frequently as CVS because amniocentesis carries a slightly greater risk of spontaneous abortion.
B) It is carried out later in a pregnancy than a CVS.
C) It involves a procedure that inserts a small syringe through the vagina.
D) It involves the examination of villi from the membrane that envelops the amniotic sac and fetus.