The Infant's First Year

Average weight and height at birth

Apr 16, 2012

Boys: 19 3/4 inches, 71/2 pounds
Girls: 19 1/2 inches, 7 1/2 ponds

Birth

Apr 16, 2012

Boys: 19 3/4 inches, 7 1/2 pounds
Girls: 19 1/2 inches, 7 1/2 pounds

Infant Height and weight

Period: Apr 16, 2012 to Apr 16, 2013

Three months

Jul 16, 2012

Boys: 24 inches, 13 pounds
Girls: 23 1/2 inches 12 1/4 pounds

Six Months

Oct 16, 2012

Boys: 26 1/2 inches, 17 1/2 pounds
Girls 25 1/2 inches, 15 1/2 pounds

Nine Months

Jan 16, 2013

Boys: 28 inches, 20 1/2 pounds
Girls: 27 1/2 inches, 18 2/4 pounds

Twelve Months

Apr 16, 2013

Boys: 29 inches, 22 1/2 pounds
Girls: 29 inches, 21 pounds