Development/Guidance by age

Prenatal
Nbn
4 wks
2 mo
4 mo
6 mo
9 mo
12 mo
15 mo
18 mo
2 yo
2.5 yo
3 yo, 3.5 yo
4 yo, 4.5 yo
5 yo
6 yo
7-8 yo
9-10 yo
11-14 yo
15-17 yo