Health Topics

Growth: 10 to 12 Months

While all babies may grow at a different rate, the following indicates the average for boys and girls 10 to 12 months of age.

  • Weight: average gain of about 13 ounces each month; birth weight is tripled at 1 year
  • Height: average growth of about ½ inch each month
  • Head size: average growth of about ¼ inch each month  
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Last Updated: 07/2012