Normal developmental milestones

Question 1

Developmental milestones up to 4 m

Answer 1

Milestone Age (average)

Lifts chin up 4 weeks

Notices sudden constant sounds 4 to 5 weeks

(e.g. vacuum cleaner)

Social smile 6 weeks

Smiles readily 2 months

Follows moving person with eyes 2 months

Laughs 3 months

Recognises mother 3 months

Reponds to loud noise 3 months

Grasps and plays with rattle 3 to 4 months

Turns to voice 3 to 4 months

Lifts head 3 to 4 months

Rolls over (prone to supine) 4 months

Question 2

Developmental milestones 4-9 m

Answer 2

Sits with support 4 to 6 months

Rolls (supine to prone) 5 months

Transfers objects from hand to hand 5 to 8 months

Feeds self biscuit/rusk 6 to 8 months

Laughs, squeals and chuckles 6 to 8 months

Sits without support 6 to 9 months

Stands holding on 6 to 10 months

Crawls 7 to 9 months

Anxious with strangers 8 to 9 months

Question 3

Developmental milestones over 9 m

Answer 3

Waves goodbye 8 to 12 months

Pulls up to stand 9 to 10 months

Understands ‘no’ 9 to 10 months

Cruises 10 to 11 months

Finger feeds 10 to 12 months

Says mama/dada (appropriate) 10 to 18 months

Walks alone or with one hand held 10 to 15 months

First word 11 to 12 months

Question 4

WHO growth reference data for 5-19 years

Answer 4

https://www.who.int/toolkits/growth-reference-data-for-5to19-years