FHR Apgar score <7 (%) Evaluation score
Baseline FHR: 110- 130/160-180 bpm 11/40 (28) 1
Deceleration dip hear rate >180 or <110 bpm (70) 3
  <100 bpm 13/35 (37) 2
  amplitude>50 bpm 11/22 (50) 2
  lag time>40sec 10/14 (71) 2
  recovery time>40 sec 12/19 (63) 3
  duration >60 sec 15/21(71) 3
  no acceleration 21/47 (45) 2
  W shape, loss variability 11/11 (100) 4
Table 1: FHR score is the sum of evaluation scores in 5 min, which were determined by the incidence of low Apgar cases [3].