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Evaluation of 3-tier and 5-tier FHR pattern classifications using umbilical blood pH and base excess at delivery
2020
PLoS ONE
The relevance between time-series fetal heart rate (FHR) pattern changes during labor and outcomes such as arterial blood gas data at delivery has not been studied. Using 3-tier and 5-tier classification systems, we studied the relationship between time-series FHR pattern changes before delivery and umbilical artery blood gas data at delivery. The subjects were 1,909 low-risk women with vaginal delivery (age: 29.1 ± 4.4 years, parity: 1.7 ± 0.8). FHR patterns were classified by a skilled
doi:10.1371/journal.pone.0228630
pmid:32027690
pmcid:PMC7004356
fatcat:vt4nkponlvf4doa3j4th6akite