In plain words
Intermittent auscultation means listening to the baby's heartbeat at planned times during labor. A clinician or nurse uses a handheld Doppler or a fetoscope, then records the rate. Continuous electronic monitoring tracks the heartbeat without stopping and prints a tracing. Intermittent listening is more common in low-risk labors. Continuous monitoring is more common when there are risks or concerns. A 2017 Cochrane review found fewer operative births with listening in low-risk labor. Serious outcomes did not clearly differ. Some people prefer one method, and it helps to ask your care team what they use and when they switch.
The deeper version
Intermittent auscultation uses Pinard or Doppler listening at fixed intervals, typically after contractions, with the heart rate counted over 30 to 60 seconds. records heart rate and uterine activity, and tracings are classified under the NICHD three-tier system. Devane and colleagues (Cochrane Database of Systematic Reviews, 2017) found that, in low-risk labor, intermittent auscultation was associated with fewer operative births and no clear difference in cerebral palsy or perinatal death. ACOG Practice Bulletin 106 (2009, reaffirmed) describes both approaches for intrapartum monitoring. Debate centers on whether physiologic philosophies of labor support lead to downstream differences in intervention rates.
Where it comes up
- OB or midwife: choosing who catches your babyGetting Ready for Birth
- Writing a birth plan that actually helpsGetting Ready for Birth
- Early labor at home: when to go inGetting Ready for Birth
What mothers here say about intermittent auscultation
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Sources
- Devane D et al. — Intermittent versus continuous electronic fetal heart rate monitoring during labour. Cochrane Database of Systematic Reviews, 2017
- American College of Obstetricians and Gynecologists — Practice Bulletin 106: Intrapartum Fetal Heart Rate Monitoring, 2009, reaffirmed