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June 12, 2026Frontiers in Drug Safety and RegulationOpen Access

Continuous fetal heart rate monitoring with Moyo significantly reduced the time from first abnormal fetal heart rate detection to delivery by 66.5 minutes compared to intermittent monitoring.

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Why the study?

Does continuous fetal heart rate monitoring using the Moyo device reduce the time to delivery after abnormal FHR detection and improve neonatal outcomes in laboring women?

Population

9,778 women admitted to the labor unit in the first stage of labor or not yet in labor across 7 public…

Comparison

Continuous fetal heart rate monitoring using the… vs Intermittent FHR monitoring using the Moyo device.

Design

Cohort, Not randomized

Follow-up

Until delivery and early neonatal period

Key result

Continuous fetal heart rate monitoring with Moyo significantly reduced the time from first abnormal fetal heart rate detection to delivery by 66.5 minutes compared to intermittent monitoring.

Authors

OBOmkar BasnetRGRejina GurungPBPratiksha Bhattarai

Discussion

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Overview

Non-significant reduction in time to abnormal FHR detection; does not support adoption and leaves efficacy open for further trials.

Key Points

  • This study evaluates the outcomes of intermittent versus continuous fetal heart rate monitoring in intrapartum care.
  • Prospective observational design across seven hospitals in Nepal
  • Intermittent monitoring served as the control, while continuous monitoring was the intervention
  • Generalized linear regression analyzed time to abnormal FHR detection and childbirth outcomes
  • Continuous monitoring resulted in a significant reduction of 66.5 minutes from first abnormal FHR to delivery (adj.β = −66.5 min; 95% CI = −106.2 to −26.8)
  • The incidence of non-crying neonates was lower in the continuous group (10.0% vs. 11.5%; M–H RR = 0.69; 95% CI = 0.55–0.87)
  • Adjusted risk of intrapartum stillbirth was reduced by 35% in the intervention group (M–H RR = 0.65; 95% CI = 0.25–1.70)

Study Design

Type

Observational (n=9,778)

Multicenter

Yes

Structured PICO

Does continuous fetal heart rate monitoring using the Moyo device reduce the time to delivery after abnormal FHR detection and improve neonatal outcomes in laboring women?

P
Population
9,778 women admitted to the labor unit, either not yet in labor or in the first stage of labor, monitored during childbirth across seven referral hospitals in Nepal.
I
Intervention
Continuous fetal heart rate (FHR) monitoring using the portable Moyo device until the time of delivery.
C
Comparator
Intermittent FHR monitoring using the Moyo device (every 30 min during the first stage of labor and every 15 min during the second stage).
O
Outcome
Time from first Moyo placement to abnormal FHR detection and time from first abnormal FHR detection to delivery.

Main Result

Mean Difference: -66.5 (95% CI -106.2–-26.8)

Absolute Event Rate: 73% vs 132.2%

p-value: p=0.001

Continuous fetal heart rate monitoring with a portable device reduces the time to delivery following abnormal FHR detection and decreases the need for neonatal resuscitation compared to intermittent monitoring.

Limitations

  • Blinding of care providers and participants was not feasible
  • Observational design with non-randomized exposure
  • Differences in monitoring modality inherently influence the frequency and timing of fetal heart rate assessment
  • Reliance on routine clinical documentation may introduce variability
  • Potential selection bias and unmeasured confounding
  • Monitoring frequency differed between continuous and intermittent monitoring periods as per study design
  • Low incidence of stillbirths may have underpowered the analysis for this outcome
  • Substantial imbalance between exposure groups and baseline differences

Cite This Study

Basnet et al. (2026) conducted an observational in Labor (n=9,778). Continuous fetal heart rate monitoring using Moyo vs. Intermittent fetal heart rate monitoring using Moyo was evaluated on Time from first abnormal fetal heart rate detection to delivery (adj.β -66.5 min, 95% CI -106.2 to -26.8, p=0.001). Continuous fetal heart rate monitoring with Moyo significantly reduced the time from first abnormal fetal heart rate detection to delivery by 66.5 minutes compared to intermittent monitoring.

synapsesocial.com/papers/6a2bd1056550ea4541ffe7aehttps://doi.org/10.3389/fdsfr.2026.1755487
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