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Measuring Heart Rate Variability During Pregnancy Using Mobile Health Technology: Validity and Acceptability of the
Biopsychosocial Science and Medicine
|September 2, 2025
Summary
The movisens EcgMove4 accurately measures heart rate (HR) and heart rate variability (HRV) in pregnant women. This wearable device is a valid and acceptable tool for monitoring stress physiology during pregnancy.
Area of Science:
- Perinatal mental health
- Physiological monitoring
- Wearable technology
Background:
- Pregnancy stress impacts maternal and infant health.
- Wearable biosensors offer continuous, noninvasive stress monitoring via heart rate variability (HRV).
- Autonomic nervous system function and emotion regulation are key indicators.
Purpose of the Study:
- To assess the validity of the movisens EcgMove4 for measuring heart rate (HR) and HRV in pregnant women.
- To evaluate the acceptability of the EcgMove4 in a diverse community sample.
- To explore the device's utility for stress physiology research in pregnancy.
Main Methods:
- 101 pregnant women (second/third trimester) participated.
- Compared EcgMove4 HR/HRV measurements against a traditional electrocardiogram (ECG) monitor.
- Assessed device acceptability through a 10-day wear period and exit interviews.
Main Results:
- High correlations observed between EcgMove4 and ECG for HR (r=0.95) and HRV (RMSSD, r=0.98).
- Device showed good signal quality across racial groups, but poorer with XL chest bands.
- Participants reported low burden (mean 3/10) despite some skin irritation (16%) and increased burden in hot weather.
Conclusions:
- The EcgMove4 is a promising, valid, and acceptable tool for monitoring pregnancy HRV.
- Potential limitations for larger body sizes require further investigation.
- Enables future research into perinatal stress and emotion regulation.
Keywords:
acceptabilityambulatory psychophysiologyheart rate variabilitymobile health technologypregnancyvaliditywearable sensorsMore Related Videos
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