Physiologic variability in the perinatal period. Origins, measurement, and applications.
Variability is inherent in all physiologic signals. This variability provides valuable clinical information or may confound physiologic measurements and the interpretation of results. Both physiologic and nonphysiologic factors may affect variability. Clinicians and researchers need to be aware of physiologic variability and its implications.
Dunster
K R
KR
Perinatal Research Centre, University of Queensland, Royal Women's Hospital, Brisbane, Australia.
D002940:Circadian Rhythm / Q000502:physiology; D005260:Female; D005333:Fetus / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology; D006340:Heart Rate, Fetal / Q000502:physiology; D006801:Humans; D007231:Infant, Newborn / Q000502:physiology*; D010500:Perinatology / Q000639:trends; D011247:Pregnancy