In the united states the average baby weighs about 7 pounds 3 ounces 33 kg at birth. 5 97 to 127 lbs. Graph plot weight versus age graph with 5 10 25 50 75 95 and calculated percentile lines. The who growth charts. Percentile the weight percentile of the child. Age the age of the child in months.

Weight the mass of the child in metric and standard units. 4 10 91 to 118 lbs. If your baby is premature they may have a low birth weight or very low birth weight. Growth charts consist of a series of percentile curves that illustrate the distribution of selected body measurements in children. 124 to 147 lbs. For children 2 5 years the methods used to create the cdc growth charts and the who growth charts are similar.

Graph plot weight versus age graph with 5 10 25 50 75 95 and calculated percentile lines. Babies born at a low birth weight weigh between 3 pounds 5 ounces 15 kilograms to 5 pounds 8 ounces 25. The average breastfed baby will lose about 7 percent of their birth weight in the first three days and the average formula fed baby will lose 35 percent of their birth weight according to one study. If baby loses more than 10 percent speak to your pediatrician and see a lactation consultant to make sure baby is getting enough to eat. In contrast the who growth charts only provide information on children up to 5 years of age. Boys weight for length percentiles and head circumference for age percentiles cdc pdf pdf 543 kb.

Infants birth to 24 months must be measured for length and the sex appropriate length for age or weight for length charts for infants birth to 36 months must be used to plot the measurements. At age 24 months and older if children can stand unassisted and follow directions stature should be measured and plotted on the stature for age. Lengthheight for age weight for age weight for length weight for height and body mass index for age. Girls at 7 pounds 1 ounce32 kg are a bit smaller than boys at 7 pounds 4 ounces33 kg on arrival. Birth to 24 months. Who child growth standards.

The average newborn is 19 12 inches 495 cm long with girls measuring 19 inches 49 cm and boys measuring 19 34 inches 50 cm. Percentile the weight percentile of the child. 143 to 186 lbs. 148 to 193 lbs. Weight the mass of the child in metric and standard units. The following documents describe the sample and methods used to construct the standards and present the final charts.

119 to 142 lbs. Pediatric growth charts have been used by pediatricians nurses and parents to track the growth of infants children and adolescents in the united states since 1977. 4 11 94 to 123 lbs. Gestational age the time period from the first day of lmp to the measure date in weeks.

Gallery of Birth Weight Height Chart