| Infancy | Early Childhood | Middle Childhood | Adolescence |
|---|---|---|---|
At birth |
15 months old |
5 years old |
11 years old |
| 3-5 days | 18 months old | 6 years old | 12 years old |
| 1 month old | 24 months old | 7 years old | 13 years old |
| 2 months old | 30 months old | 8 years old | 14 years old |
| 4 months old | 3 years old | 9 years old | 15 years old |
| 6 months old | 4 years old | 10 years old | 16 years old |
| 9 months old | 17 years old | ||
| 12 months old | 18 years old | ||
| 19 years old | |||
| 20 years old |
Screening Information