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Your Baby Week Twenty Three

By Vincent Iannelli, M.D., About.com

Updated: January 2, 2008

About.com Health's Disease and Condition content is reviewed by Kate Grossman, MD

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Your Baby's Growth

In your baby's first few weeks and months, she was gaining weight fairly quickly.

Then, she was likely gaining about half and ounce to a full ounce each day.

All of that weight gain has likely helped her reach a point so that she is about double her birth weight now that she's five months old. So if she was born at seven pounds, she probably weighs about 14 pounds today.

At this point, her growth will slow a little bit. In fact, by the time she is one year old, this same baby will probably only triple her birth weight. That means that she will be about 21 pounds on her first birthday.

Other general guidelines for typical growth for babies in their first few years include:

Weight Gain

  • 3 months: Gains about one pound a month
  • 5 months: Doubles birth weight
  • 1 year: Triples birth weight, then gains about half a pound each month
  • 2 years: Quadruples birth weight, then gains about four to five pounds each year

Height

  • 1 to 12 months: Grows about 10 inches in length
  • 1 to 2 years: Grows about five inches
  • 2 to 3 years: Grows about three and a half inches a year most children will double their birth height by three to four years of age

Remember that these are simply general guidelines. Your child may grow a little more or a little less than this each year. If you have concerns about your child's growth, especially if you think that he has failure to thrive (poor weight gain) or short stature (poor growth in height), be sure to talk with your pediatrician.

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