| SEQUELAE | FREQUENCY | PERCENTAGE (%) |
| Mental retardation (n = 39) | 26 | 66.7 |
| Cerebral palsy (n = 39) | 18 | 46.20 |
| Epilepsy (n = 39) | 12 | 30.80 |
| Associated anomalies | ||
| Microcephaly (n = 39) | 24 | 61.50 |
| Bucco facial dyspraxia (n = 39) | 10 | 25.60 |
| Neuro-sensory anomalies | ||
| Blindness (n = 39) | 16 | 41.00 |
| Nystagmus (n = 39) | 1 | 2.60 |
| Strabism (n = 39) | 6 | 15.40 |
| Deafness (n = 39) | 3 | 7.70 |