At her first prenatal visit, the patient states, "I'm five weeks' pregnant now and I would like to hear my baby's heartbeat today." How should the nurse respond?
1. Prepare to assist with auscultation of the fetal heartbeat using a fetoscope.
2. Explain to the patient that the fetal heart does not begin to beat until approximately 7 weeks' gestation.
3. Anticipate that the patient will be scheduled for Doppler ultrasound.
4. Explain to the patient that the fetal heartbeat is not yet detectable at 5 weeks' gestation.
Correct Answer: 4
Rationale 1: Fetal heart tones can be identified through use of a fetoscope at approximately the 20th week of pregnancy.
Rationale 2: The fetal heart begins to beat by the 4th week of gestation.
Rationale 3: Generally, fetal heart tones cannot be heard until approximately the 8th week of pregnancy by ultrasound Doppler device.
Rationale 4: While the tubular heart begins to form during the 3rd week, fetal heart tones generally are not be detectable until at least 7 weeks' gestation.
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