Fetal heart rate assessment
Description
This noninvasive method of obtaining fetal heart rate (FHR) involves the use of a Doppler ultrasound device or fetoscope.
FHR is detectable at 12 weeks’ gestation via Doppler ultrasound device.
FHR is detectable at 16 to 20 weeks via fetoscope.
Normal FHR ranges from 120 to 160 beats per minute.
This provides an important source of information about fetal well-being.
Equipment
Fetoscope or Doppler ultrasound device
Water-soluble lubricant
Watch with second hand
Bath blanket
Essential steps
Explain the procedure to the patient.
Wash your hands.
Provide privacy.
Inform the patient that you may reposition the device frequently to hear the loudest fetal heart tones.
Assist the patient to the supine position and expose her abdomen, using a bath blanket to minimize exposure.
Apply a water-soluble lubricant to her abdomen or to the monitoring device.
Apply the device.
(See Assessing fetal heart rate.)
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