ATI MATERNAL NEWBORN PROCTORED EXAM 2 –STUDY GUIDE
A father and mother are carriers of phenylketonuria (PKU). Their 2-year-old daughter has PKU. The cou- ple tells the nurse that they are planning to have a second baby. Because their daughter has PKU, they are sure that their next baby won’t be affected. What response by the nurse is most accurate?
“You are both carriers, so each baby has a 25% chance of being affected.”
The nurse is providing genetic counseling for an expectant couple who already have a child with trisomy
18. The nurse should:
Discuss options with the couple, including amniocentesis to determine whether the fetus is affected.
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