What is the average growth for a baby boy?
 From birth to age 6 months, a baby may grow 1/2 to 1 inch, From ages 6 to 12 months, a baby may grow 3/8 inch  a month and gain 3 to 5 ounces a week, month 12, babies also have grown by 50% about 9 to 11 inches and their brain is about 60% of its adult size. 