Developmental milestones

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Developmental milestones are tasks most children can perform at certain ages. 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

Note: the Tanner stages can be used to approximately judge a child's age based on physical development.