| PARAMETER |
ABNORMAL SIGN |
EVALUATION SCORE |
| BASELINE FHR |
110-130 or 160-180 |
1 |
| |
bpm <110 or>180 bpm |
3 |
| DECELERATION |
|
|
| Duration |
> 60 sec |
3 |
| Amplitude |
> 50 bpm |
2 |
| Dip heart rate |
< 100 bpm |
2 |
| Recovery time |
> 40 sec |
3 |
| Lag time |
> 40 sec |
3 |
| |
No accompanied acceleration |
2 |
| |
W-shaped deceleration |
4 |
FHR SCORE = of evaluation scores in 5 min |