The accuracy of the heartbeat monitor was excellent compared with cardiotocography, with limits of agreement (95%) for mean FHR between −1.6 (CI −2.0 to 1.3) and +1.0 (CI 0.7–1.4) beats per minute (bpm), mean difference −0.3 bpm, intraclass coefficient 0.99. RESULTS:Ī total of 81 participants provided 126 recordings. Women rated the heartbeat monitor using the System Usability Scale. Obstetricians assessed the clinical utility of FHR traces. Women used the device, unassisted, during a clinic visit or at home. Clinicians used the heartbeat monitor in the clinic. Fetal heart rate recordings were performed using both the heartbeat monitor and cardiotocography to evaluate accuracy. We conducted a prospective, single-center study of a convenience sample of women aged 18 years or older with a singleton pregnancy of at least 12 weeks of gestation. To evaluate the accuracy, clinical utility, and usability of a wireless fetal and maternal heartbeat monitor to monitor fetal heart rate (FHR). The work cannot be changed in any way or used commercially without permission from the journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. Peer reviews and author correspondence are available at. The other authors did not report any potential conflicts of interest.īefore submission to Obstetrics & Gynecology, this article was posted to a preprint server at: 10.1101/2020.0959Įach author has confirmed compliance with the journal's requirements for authorship. Paul Porter has an interest in a company that holds shares and options of HeraMED Pty Ltd. Desiree Silva and Jennifer Choveaux are shareholders and option holders of HeraMED Pty Ltd. Natasha Bear and Jennie Carson received consultancy fees from the PHI Research Group for the provision of statistical analysis for this study.įinancial Disclosure This study was an investigator-funded study of the PHI Research Group, which employs Joanna Brisbane, Brooke Schneider, and Jennifer Choveaux. Natasha Wenner to provide copyediting and style advice on the final manuscript before submission. The HeraBEAT devices used in this study were loaned by HeraMED Pty Ltd (HeraMED, Netanya, Israel). Joondalup Health Campus provided infrastructure support, and IT services in-kind to the PHI Research Group. The study was supported by PHI Research Group (not-for-profit), which was responsible for the study design, data collection and Research Assistants' salaries. We also stock Ultrasound Gel for use with any doppler.Corresponding author: Paul Porter, MBBS, FRACP, Department of Paediatrics, Joondalup Health Campus, Perth, Western Australia email. This doppler can also be used to record and play back the sound of the mother’s heartbeat to help soothe and calm the newborn baby, and its lightweight nature makes it portable, too!įor a hospital grade option, look no further than the Fetal Doppler Large LCD Display - Premium Model! It can meet the routine examination requirements of obstetricians, midwives and pregnant woman themselves, and its high sensibility can detect the pulse of 12 - 16 week foetus. At PregnancyandBaby.ie we stock both hospital grade and consumer grade Fetal Dopplers, starting from the compact Angelsounds Fetal Doppler – Pocketsize with Free Ultrasound Gel. Traditionally used in hospital settings, fetal dopplers are increasingly being used by mothers-to-be in the comfort of their own home. Hon in the 1950s, the Doppler is 100% safe to use as it works simply by converting small sonic frequency changes into sounds you can hear. A Fetal Doppler, or fetal heart baby monitor, can provide invaluable daily reassurance and precious moments bonding with baby before birth, and here at PregnancyandBaby.ie, we stock a selection of leading brands! Read More
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