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Ages & Stages

Between four and seven months, your baby will continue to gain approximately 1 to 1-1⁄4 pounds (0.45 to 0.56 kg) a month. By the time she reaches her eight month birthday, she probably will weigh about two and a half times what she did at birth. Her bones also will continue to grow at a rapid rate. As a result, during these months her length will increase by about 2 inches (5 cm) and her head circumference by about 1 inch (2.5 cm).

Your child’s specific weight and height are not as important as her rate of growth. Continue to plot her measurements at regular intervals to make sure she keeps growing at the same rate. If you find that she’s beginning to follow a different curve or gaining weight or height unusually slowly, discuss it with your pediatrician.


Last Updated
Caring for Your Baby and Young Child: Birth to Age 5 (Copyright © 2009 American Academy of Pediatrics)
The information contained on this Web site should not be used as a substitute for the medical care and advice of your pediatrician. There may be variations in treatment that your pediatrician may recommend based on individual facts and circumstances.