Figure legends
Figure 1: Study flow diagram
JOCSC, Japan Obstetric Compensation System for cerebral palsy; CP, cerebral palsy; FHR, fetal heart rate
Figure 2: Fetal heart rate evolution patterns and the estimated timing of brain injury (adapted from Parer JT, King TL, Ikeda T. Electronic fetal heart rate monitoring: the 5-tier system 3rd ed, Burlington, MA: Jones & Barlett Learning, 2018.)
P-Brady, severe bradycardia (<80 beats/min) or absent variability with persistent severe decelerations on admission; P-NR: recurrent decelerations or a decreased variability without severe bradycardia on admission and persisted until delivery; Hon, reassuring on admission and deteriorate gradually followed by a decline in baseline fetal heart rate; R-PD, reassuring on admission and an abrupt change to severe prolonged deceleration or bradycardia occurred before delivery; P-R, reassuring on admission and remained within ordinary pattern during the entire course.
P-Brady, persistent bradycardia; P-NR, persistently non-reassuring; R-PD, reassuring-prolonged deceleration; P-R, persistently reassuring
Figure 3: Analysis of fetal heart rate evolution patterns
P-Brady, persistent bradycardia; P-NR, persistently non-reassuring; R-PD, reassuring-prolonged deceleration; P-R, persistently reassuring
Figure 4: Analysis of fetal heart rate evolution patterns stratified by umbilical cord troubles
P-Brady, persistent bradycardia; P-NR, persistently non-reassuring; R-PD, reassuring-prolonged deceleration; P-R, persistently reassuring