BJOG : an international journal of obstetrics and gynaecology
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Multicenter Study Comparative Study
Marked fetal acidosis and specific changes in power spectrum analysis of fetal heart rate variability recorded during the last hour of labour.
To assess whether intrapartum acidosis affects specific components of fetal heart rate variability. ⋯ Marked fetal acidosis was associated with frequency-specific changes in fetal heart rate variability as reflecting the compensation ability of autonomic nervous activation during the last hour of labour.