INEB
INEB
TitleFetal behavioral dynamics in cephalic versus breech presentations
Publication TypeJournal Article
2014
AuthorsGonçalves, H, Ayres-de-Campos, D, Bernardes, J
JournalDevelopmental Psychobiology
Volume56
Issue7
Pagination1595 - 1600
Breech presentation, Development, entropy, Fetal behavior, Heart rate, Spectral analysis
Differences in fetal neurodevelopment can have important implications on future perceptual and learning capabilities. The aim of this study was to assess autonomic nervous system and complexity dynamics in fetal heart rate (FHR) tracings from 27 singleton fetuses in cephalic or breech presentations, matched for gestational age (37+3-40+4 weeks), weight, gender and outcome. Breeches exhibited significantly higher mean FHR and LF/(MF+HF) ratio, as well as lower entropy, denoting increased sympatho-vagal balance and decreased complexity, consistent with the occurrence of more active fetal behavioral states. These findings suggest that there are neurodevelopment differences between fetuses in cephalic and breech presentation.
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