AP PSYCHOLOGY

Detailed explanation-1: -Typically, a baby’s weight doubles within their first 4 to 6 months of life and triples in their first year. For instance, a baby born weighing six pounds would typically weigh about 12 pounds by the time they were 6 months old and about 18 pounds by the time they turned 1.

Detailed explanation-2: -General guidelines for growth A useful guide is that most healthy, full-term newborn babies double their birth weight by 4 months. A boy’s weight will triple in about 13 months. A baby girl’s weight will triple in about 15 months. However, all babies grow at their own pace.

Detailed explanation-3: -While all children may grow at a different rate, the following indicates the average for 1-year-old boys and girls: Weight: average gain of about 8 ounces each month, birthweight has tripled by the end of the first year. Height: average growth of about 1/4 to 1/2 inch each month.

Detailed explanation-4: -Babies birth weight should be doubled. From 6-12 months baby should be gaining 2.5-4 oz per week. Weight gain should be tripled.

Detailed explanation-5: -Weight usually doubles by about 5 months of age, triples by 12 months of age, and quadruples from 2 to 2 1/2 years of age (based on weight at birth).