The nurse is preparing a client in her second trimester for a three-dimensional ultrasound examination. Which statement indicates that teaching had been effective?
1. "I might be able to see who the baby looks like with the ultrasound."
2. "If the ultrasound is normal, it means my baby has no abnormalities."
3. "The nuchal translucency measurement will diagnose Down syndrome."
4. "Measuring the length of my cervix will determine if I will deliver early."
1
Explanation:
1. Ultrasounds provide a very clear photo-like image of the fetus, often providing parents the opportunity to identify a familial characteristic such as nose shape.
2. Not all fetal anomalies are detectable by ultrasound.
3. Nuchal translucency measurements are screening, not diagnostic, for trisomies 13, 18, and 21.
4. Transvaginal ultrasound is used to measure the cervical length as a screening for risk of preterm labor. However, a normal-length cervix does not preclude preterm birth.
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