One Important Difference Between Amniocentesis and Chorionic Villus Sampling Is

Question

One important difference between amniocentesis and chorionic villus sampling is that ____.
A) chorionic villus sampling is more routine
B) amniocentesis can diagnose chromosome disorders, while chorionic villus sampling cannot
C) chorionic villus sampling can be done earlier in the pregnancy than amniocentesis
D) maternal risks are higher with chorionic villus sampling
E) the risk of miscarriage is higher with amniocentesis than with chorionic villus sampling

Accepted Answer

Chorionic villus sampling can be done earlier in the pregnancy than amniocentesis. Amniocentesis is generally performed between weeks 15-20 of pregnancy, while chorionic villus sampling can be done as early as 10-13 weeks.