The nurse is providing genetic counseling for an expectant couple who already have a child with trisomy 18 . The nurse should:
a. Tell the couple they need to have an abortion within 2 to 3 weeks.
b. Explain that the fetus has a 50% chance of having the disorder.
c. Discuss options with the couple, including amniocentesis to determine whether the fetus is affected.
d. Refer the couple to a psychologist for emotional support.
C
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A The couple should be given information about the likelihood of having another baby with this disorder so that they can make an informed decision.
B A genetic counselor is the best source for determining genetic probability ratios.
C Genetic testing, including amniocentesis, would need to be performed to determine whether the fetus is affected.
D The couple eventually may need emotional support, but the status of the pregnancy must be determined first.
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