Knowledge of the nurse’s role during pregnancy

Apply your knowledge of the nurse’s role during pregnancy to the following situations.
Rebecca Richards is pregnant for the first time. She is 40 years old. The obstetrician has suggested chromosomal studies.
a. Explain the advantages and disadvantages of chorionic villus sampling versus amniocentesis.
b. Rebecca tells you that she is opposed to abortion for any reason. She asks why she should go through chorionic villus sampling because she will not accept an abortion. How would you respond to Rebecca?
c. What is the rationale for the chromosomal studies being ordered?