Transabdominal recordings of fetal heart rate in extremely small fetuses

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Abstract

Introduction: As part of the fetal assessment for the Safe Passage Study, we recorded raw data of the fetal ECG via five maternal abdominal wall electrodes from 20 weeks to 23 weeks 6 days’ gestation. Materials: For this study were extracted and analyzed the FHR patterns from the stored raw data in 16 stillbirths where the fetus weighed less than 1000 g and where autopsy was performed. Results: Birth weights ranged from 190 to 970 g. The proportion FHR signal loss ranged from 0.3% to 21.1%. In the smallest fetus the heart weighed 1.3 g, yet the FHR signal loss was only 0.9%.

Original languageEnglish (US)
Pages (from-to)1-4
Number of pages4
JournalJournal of Maternal-Fetal and Neonatal Medicine
DOIs
StateAccepted/In press - Nov 13 2017

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Keywords

  • Extremely small fetus
  • fetal heart rate patterns
  • stillbirth
  • transabdominal fECG

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Obstetrics and Gynecology

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