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A Novel Wearable-Based Fetal Movement Localization System Using Machine Learning
University of Turku, Department of Computing, Turku, Finland.
University of Turku, Department of Computing, Turku, Finland.
University of Turku, Department of Computing, Turku, Finland.
University of Turku, Department of Nursing Science, Turku, Finland.
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2025 (English)In: Proceedings of IEEE Sensors, Institute of Electrical and Electronics Engineers (IEEE) , 2025Conference paper, Published paper (Refereed)
Abstract [en]

Fetal movement counting is a key indicator of fetal health. While ultrasound is the hospital gold standard, its use is limited to a short time due to potential tissue harm. This work presents a novel wearable system for fetal movement localization using a 6-channel piezoelectric sensor array integrated into a maternal abdominal garment. A comprehensive phantom-based testbed with a robotic arm simulates fetal kicks across predefined abdominal zones. Multi-domain features were extracted from sen-sor signals and used to train various machine learning models for kick localization. The proposed system achieved a classification accuracy of 87.4 % (F1-score: 86.5 %) in localizing fetal kicks across nine distinct regions of the maternal abdomen using a multilayer perceptron. These findings demonstrate the potential of sensor-machine learning fusion for spatial fetal monitoring and early detection of complications in non-clinical environments

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2025.
Keywords [en]
Fetal movement detection, Machine learning, Piezoelectric sensors, Pregnancy monitoring, Wearable sensors
National Category
Gynaecology, Obstetrics and Reproductive Medicine
Identifiers
URN: urn:nbn:se:ri:diva-81408DOI: 10.1109/SENSORS59705.2025.11330703Scopus ID: 2-s2.0-105034198420ISBN: 979-83-31544-67-6 (print)OAI: oai:DiVA.org:ri-81408DiVA, id: diva2:2054204
Conference
2025 IEEE SENSORS, Vancouver, Canada
Note

QC 20260420

Available from: 2026-04-20 Created: 2026-04-20 Last updated: 2026-04-20Bibliographically approved

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Beni, ValerioJonasson, Christian

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf