A client's prenatal testing is positive and additional testing is necessary. Which information should the nurse provide about amniocentesis and chorionic villus sampling?

Question

1. More information can be obtained through amniocentesis than from chorionic villus sampling.
2. The amniocentesis can be done in the middle of the first trimester.
3. Chorionic villus sampling cannot be done as early as amniocentesis.
4. Amniocentesis causes greater risk to the fetus than chorionic villus sampling does.

Answer 1

1
Rationale 1: Amniocentesis is more informative than is chorionic villus sampling.
Rationale 2: The amniotic fluid at this point is insufficient to make withdrawal possible.
Rationale 3: Chorionic villus sampling can be done earlier than amniocentesis.
Rationale 4: The risk of spontaneous abortion is higher with chorionic villus sampling.