Developmental milestones
From Wikipedia, the free encyclopedia
Developmental milestones are tasks most children learn, or physical developments, that commonly appear in certain age ranges. For example:
- Ability to lift and control the orientation of the head
- Crawling begins
- Walking begins
- Speech begins
- Voice lowers in pitch (especially noticeable in boys)
- Pubic hair appears
- Genitals and reproductive organs mature
- Menses begin (females)
- Body hair and facial hair appears
"Normal" age ranges for many milestones are broad (a factor of 1.5 - 2 from bottom to top is possible). For this and other reasons, a single delayed milestone, especially task-related, is rarely in itself a basis for diagnosing a problem.
Note: the Tanner stages can be used to approximately judge a child's age based on physical development.
[edit] See also
[edit] External links
- CDC's "Learn the Signs. Act Early.” campaign - Information for parents on early childhood development and developmental disabilities
- UMich
- NIH
- March of Dimes