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Check 4 parameters in 30 minute duration.
Scoring system used gives 0 or 2 points for each parameter
6/8 or 8/8 is considered normal
If score is <6 on 8, do additional test like non-stress test
BPP suggests good fetal tissue oxygenation.
Abnormal BPP means fetal acidemia
| Parameter | 2 points |
| Thoracic movement | 1 or more 30 second continuous breaching |
| Gross body movement | 3 or more discrete body movement (trunk roll, spine flexion/extensions, gross limb movement) |
| Fetal tone | 1 or more active extension then flexion of 1 limb (hand open and close accepted) |
| Amniotic fluid | 1 or more pocket of fluid 2 or more cm in vertical axis |
| Non stress test | 2 or more heart acceleration (>15 bpm for 15 sec) and 1 fetal movement |