The First Month
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
The Second Month
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
The Third Month
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
The Fourth Month
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
The Fifth Month
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
6-9 months
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
9-12 months
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
12-15 months
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
15-18 months
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|
18-24 months
|
Physical
|
Mental
|
Language
|
Social
|
|
|
|
|