Table 4. Ultrasound Doppler characteristics of the pregnant women enrolled
| Normal outcome (n=80 [%]) | Adverse outcome (n=21 [%]) | p-value |
| UA-PI>95 percentile |
| Yes | 6 (7.5) | 4 (19.0) | 0.209 |
| No | 74 (92.5) | 17 (81.0) |
| MCA-PI<5 percentile |
| Yes | 15 (18.8) | 3 (14.3) | 0.758 |
| No | 65 (81.3) | 18 (85.7) |
| CPR<5 percentile |
| Yes | 6 (7.5) | 6 (28.6) | 0.016 |
| No | 74 (92.5) | 15 (71.4) |
| EFW<3 percentile |
| Yes | 23 (28.8) | 11 (52.4) | 0.046 |
| No | 57 (71.3) | 10 (47.6) |
| AC<3 percentile |
| Yes | 69 (86.3) | 19 (90.5) | 0.61 |
| No | 11 (13.8) | 2 (9.5) |
| Olygohydramnios |
| Yes | 2 (2.5) | 0 (0) | 0.99 |
| No | 78 (97.5) | 21 (100) |
UA, umbilical artery; PI, pulsatility index; MCA, middle cerebral artery; CPR, cerebroplacental ratio; EFW, estimated fetal weight; AC, abdominal circumference.