Key result
Progression through the stages of labor was associated with significant reductions in baseline fetal heart rate and movement frequency, and an increase in high frequency (P < 0.001).
Why the study?
How do computerized cardiotocographic parameters change during the stages of labor in physiological pregnancies?
Observational (n=534)
How do computerized cardiotocographic parameters change during the stages of labor in physiological pregnancies?
p-value: p=< 0.001
Computerized fetal heart rate analysis reveals significant modifications during labor stages, reflecting increased autonomic nervous system activation.
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These labor-associated fetal changes should not yet alter monitoring; hypothesis-generating for prospective validation.
Annunziata et al. (2016) conducted an observational in Physiological pregnancy (n=534). Stages of labor vs. Pre-labor was evaluated on Computerized cardiotocographic (cCTG) parameters (baseline FHR, STV, ApEn, LF, MF, HF) (p=< 0.001). Progression through the stages of labor was associated with significant reductions in baseline fetal heart rate and movement frequency, and an increase in high frequency (P < 0.001).
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