AP PSYCHOLOGY

DEVELOPMENTAL PSYCHOLOGY

NEWBORN DEVELOPMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The average American baby weighs 7.5 pounds at birth.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The average weight for full-term babies (born between 37 and 41 weeks gestation) is about 7 pounds (3.2 kg).

Detailed explanation-2: -The average birth weight for babies is around 3.5 kg (7.5 lb), although between 2.5 kg (5.5 lb) and 4.5 kg (10 lb) is considered normal. In general: Boys are usually a little heavier than girls. First babies are usually lighter than later siblings.

Detailed explanation-3: -Average Baby Birth Weight Full term babies typically weigh between 5 pounds 11 1/2 ounces and 8 pounds, 5 3/4 ounces at birth. Eighty percent of full term babies are born within this range.

Detailed explanation-4: -Girls (at 7 pounds, 1 ounce/3.2 kg) are a bit smaller than boys (at 7 pounds 8 ounces/3.4 kg) on arrival. The average newborn is 19 1/2 inches (49.5 cm) long, with girls measuring 19.4 inches (49.2 cm) and boys measuring 19.7 inches (49.9 cm).

Detailed explanation-5: -A birthweight less than 5 pounds, 8 ounces, is diagnosed as low birthweight. Babies weighing less than 3 pounds, 5 ounces, at birth are considered very low birthweight. The average newborn weighs about 7.6 pounds, and about 7.6 percent of all newborns in the U.S. have low birthweight.

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