| Normal UA Doppler (n = 40) | Abnormal UA Doppler (n = 60) | |
| Mean maternal age | 24.6 years | 22.8 years |
| Primipara | 20 (50%) | 33 (55%) |
| Multipara | 20 (50%) | 27 (45%) |
| Previous history of pre-exlampsia or eclampsia | 5 (12.5%) | 16 (26.6%) |
| Previous history of perinatal death | Nil | 6 (10%) |