Why the study?
Accepted standards for beat-to-beat fetal heart rate variability are lacking, and the influence of fetal breathing movements and gross movements may be challenging.
Do fetal movements affect fetal heart rate variability in healthy human fetuses?
Population
Healthy human fetuses across 14 observational studies
Comparison
Moving fetus vs resting fetus
Design
Systematic review of observational studies
Authors
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Fetal movements confound FHRV interpretation; extends calls for movement-adjusted standards in fetal surveillance research.
Do fetal movements affect fetal heart rate variability in healthy human fetuses?
Fetal movements significantly affect fetal heart rate variability parameters, indicating that fetal behavioral states must be accounted for during FHRV analysis.
Zizzo et al. (2020) studied this question.
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