Testing a Wearable Monitor for Fetal Heart Rate Estimation, Fetal Movement and Uterine Activity Detection

Testing a Wearable Monitor for Fetal Heart Rate Estimation, Fetal

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04450251

Enrollment

173

Registered

2020-06-29

Start date

2018-08-29

Completion date

2023-05-01

Last updated

2025-09-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pregnancy

Keywords

Pregnancy Tracker, Owlet Band, Owlet, Wearable Tech

Brief summary

Owlet Baby Care, Inc. has developed a wearable fabric band pregnancy monitor, to be worn around the maternal abdomen incorporating electrocardiogram sensors. The purpose of this proposed test is to collect overnight at-home fetal ECG recordings on women during the second half of pregnancy using the pregnancy monitor.

Interventions

OTHERData Collection

Collect observational fetal electrocardiogram (ECG) readings with a novel wearable device.

Study design

Observational model

OTHER

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

FEMALE

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* Pregnant woman, 18 years of age and up. * Singleton or twin pregnancy.

Exclusion criteria

* Self-reported substance abuse problems. * Anyone unable or unwilling to give informed consent.

Design outcomes

Primary

Measure	Time frame
The objective of this study is to collect observational fetal ECG readings with a novel wearable device	Up to 16 weeks

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026