developmental stage

Introduction

Human developmental ages at which function is acquired.

Age	function
1-3 months	hold up head independently
2-4 months	smile
6-10 months	sit up independently
12 months	walk independently, respond with > 1 intelligible word
15 months	respond with > 6 intelligible words
24-36 months	maintain fecal continence
36-54 months	maintain urinary continence
48 months	independently toilet
4 years	bathe independently
5 years	dress independenly
5-7 years	independently select appropriate attire
8-12 years	independently perform complex activities of daily living

More general terms

• developmental assessment