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The umbilical artery blood flow ultrasonic indices of the described case
| Diagnosis gestational weeks | S/D | RI | PI | PSV (cm/s) |
| 24+1 | 3.70 (50th-75th) | 0.73 (50th-75th) | 1.20 (50th-75th) | 37.9 |
| 30+4 | 2.30 (10th-25th) | 0.57 (10th-25th) | 0.93 (25th-50th) | 38.7 |
| 30+6 | 1.82 (2.5th) | 0.45 (2.5th) | 0.62 (2.5th) | 59.1 |
S/D: Systolic-diastolic duration ratio; RI: Resistance index; PI: Pulsatility index; PSV: Peak systolic velocity.
