A client says, "I don't know how they can think my baby has Down syndrome when all they've done is routine testing and an ultrasound." How should the nurse respond to this statement?
1. "The ultrasound can show the distinctive loss of curve in the spine that indicates Down syndrome."
2. "The prenatal blood test you had is a definitive test for Down syndrome."
3. "The ultrasound shows a difference in the neck that confirms the suspicion of Down syndrome."
4. "The combination of the ultrasound and blood test results confirms the suspicion of Down syndrome, but more testing will be done."
4
Rationale 1: This is not a finding associated with Down syndrome.
Rationale 2: The test is a screen and does not provide definitive diagnosis.
Rationale 3: Fetal nuchal translucency suggests Down syndrome but is not diagnostic.
Rationale 4: Results of an ultrasound such as fetal nuchal translucency combined with results from the triple screen may indicate that additional testing should be done for Down syndrome.
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