|
| Prenatal | Postnatal | ||
| Number | Percentage | Number | Percentage | |
| Normal | 182 | 37.9% | 237 | 51% |
| Mild-borderline | 183 | 38.10% | 149 | 32% |
| moderate | 81 | 17% | 56 | 12% |
| severe | 34 | 7% | 23 | 5% |
| Total | 480 | 100% | 465 | 100% |