Milestone indicators

Note the following milestone indicators. Which developmental area do they belong to?

• Is not understood by others
• Has speech fluency problems or stammering
• Is not playing with other children
• Is not able to have a conversation
• Is not able to go to the toilet or wash themselves

a) Birth to 4 months

b) 4 months to 8 months

c) 8 months to 12 months

d) 1 year to 2 years

e) 2 years to 3 years

f) 3 years to 5 years