Health Topics

Growth: 4 to 6 Months

While all babies may grow at a different rate, the following indicates the average for boys and girls 4 to 6 months of age.

  • Weight: average gain of 1¼ pounds each month; by 6 months has doubled birth weight
  • Height: average growth of ½ to 1 inch each month
  • Head size: average growth of about ½ inch each month
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Your Baby's Abilities

Your Baby's Communication

Development and Emotional Security

Last Updated: 07/2012