DD01652_.WMF (4660 bytes)     WB01509_.GIF (325 bytes)  WB01509_1.GIF (325 bytes) WB01509_2.GIF (325 bytes)  WB01509_3.GIF (325 bytes)  The Smart Baby


Developmental Milestones for your Baby

Gross Motor Mean age Normal Range
In prone head up only 1 month 0 to 3 months
Head steady at shoulder 2 months 1 to 4 months
In prone head up to chest 2 months 1 to 4 months
In prone head up to forearms 3 months 2 to 5 months
In prone head up with extended arms 4 months 3 to 6 months
Rolling front to back 4 months 3 to 6 months
Rolling back to front 5 months 4 to 7 months
Sitting with support 5 months 4 to 7 months
Sitting independently 6 months 5 to 9 months
Creeping on tummy 7 months 5 to 10 months
Crawling hands and knees 8 months 6 to 11 months
Pulls to a stand 9 months 6 to 12 months
Cruises 11 months 9 to 14 months
Walking 12 months 9 to 17 months
Running 15 months 13 to 20 months
Jump on two feet 24 months 17 to 34 months
Kicks Ball 24 months 18 to 30 months
Climbs stairs with alternating feet 30 months 28 to 36 months
Peddles tricycle 36 months 30 to 48 months
Fine Motor/Adaptive Mean Normal Range
Unfisted 3 months 0 to 4 months
Bats at objects 3 months 2 to 5 months
Objects to midline 4 months 3 to 6 months
Transfers objects 5 months 4 to 7 months
Raking grasp 7 months 5 to 10 months
Finger feeds 7 months 5 to 10 months
Primitive pincer 8 months 6 to 10 months
Neat pincer 9 months 7 to 10 months
Voluntary release 12 months 10 to 15 months
Helps with dressing 12 months 10 to 16 months
Spoon feeds 15 months 12 to 18 months
Uses cup open/sippy 15 months 10 to 18 months
Imitates housework 18 months 14 to 24 months
Handedness 24 months 18 to 30 months
Helps with undressing 24 months 22 to 30 months
Undresses self 36 months 30 to 40 months
Toilet training   24 to 36 months
Social/Emotional Mean Normal Range
Social smile 5-6 weeks 1 to 3 months
Object permanence 9 months 6 to 12 months
Stranger anxiety 9 months 6 to 12 months
Affective sharing 10 months 9 to 18 months
Uses mother as secure base 12 months 9 to 18 months
Separation distress 12 months 9 to 24 months
Independence 18 months 12 to 36 months
Parallel play 24 months 12 to 30 months
Associative play 30 months 24 to 48 months
Cooperative play 36 months 24 to 48 months
Language Mean Normal Range
Cooing 3 months 1 to 4 months
Laugh 4 months 3 to 6 months
Turns to voice 4 months 3 to 6 months
Razzing 5 months 4 to 8 months
Babbling 6 months 5 to 9 months
Dada/mama non-specifically 8 months 6 to 10 months
Gesture games 9 months 7 to 12 months
Understands no, 10 months 9 to 18 months
Mama/dada specifically 10 months 9 to 14 month
One step command with a gesture 12 months 10 to 16 months
Immature jargoning 13 months 10 to 18 months
One step command w/out a gesture 15 months 12 to 20 months
Points to body parts 18 months 12 to 24 months
Mature jargoning 18 months 16 to 24 months
Puts two words together 24 months 20 to 30 months
Pronouns inappropriately 24 months 22 to 30 months
Two step command 24 months 22 to 30 months
States first name 34 months 30 to 40 months
Pronouns appropriately 36 months 30 to 42 months