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Growth Spurt


A growth spurt is a period when a child's height rapidly increases. Growth spurts are most obvious when a child is an infant (in the first year of life) and during the teen years (starting at about age 11 for girls and at about age 13 for boys).

The signs of a growth spurt include:

  • Increased appetite. A child's nutritional needs increase before and during periods of rapid growth.
  • An increase in bone and muscle growth.
  • An increase in the amount of fat stored in the body.

Growth spurts can last days to years.

During the first year of life, growth spurts typically occur during the following ages:

  • 7 to 10 days
  • 3 to 6 weeks
  • Now and then up to 1 year of age
ByHealthwise Staff
Primary Medical ReviewerSusan C. Kim, MD - Pediatrics
Specialist Medical ReviewerThomas Emmett Francoeur, MDCM, CSPQ, FRCPC - Pediatrics
Last RevisedAugust 4, 2010

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