Infant Growth & Development (Birth to 2 Years) Flashcards
(83 cards)
Preterm is gestational age less than:
37 weeks
Late preterm is newborn ____ weeks to _____ weeks gestation:
34 weeks to 36 6/7 weeks
Low birth weight is:
Less than 2500 g (2.5 kg or 5.5 lbs)
Very low birth weight is:
Less than 1500 g (1.5 kg or 3.3 lbs)
Extremely low birth weight is:
Less than 1000 g (1.0 kg or 2.2 lbs)
The average US newborn weighs ____ to ____:
6 lbs 2 oz (2812 g or 2.8 kg) to 9 lbs 2 oz (4173 g or 4.2 kg)
The average US newborn is ___ to ___ inches at birth:
19 to 21 inches
The average US newborn’s head circumference is ___ to ___ at birth:
13 to 14 inches
Initial 8-10% weight loss occurs at 3-4 days of life is regained by ___ if formula fed and ___ if breastfed:
7 days formula and 14 days breast
Weight doubles by ___, triples by ___, and quadruples by ___:
Doubles by 6 months, triples by 1 year, and quadruples by 2 years
During the first 6 months a newborn should gain ___ per week:
5-7 oz
From 6 to 12 months an infant should gain ___:
1.5 lbs
Average weight gain in the second year is:
8-9 oz per month
Length usually increases ___ by 1 year, ___ by 4 years, and ___ by 13 years:
50% by 1 year, doubles by 4 years, triples by 13 years
Length increases by ___ per month during the first 6 months, then ___ per month through first year:
1 inch per month first 6 months then 1/2 inch per month through first year
Head circumference increases by ___ per month during the first 6 months then ___ per month through the first year:
1/2 inch per month, 1/4 inch per month
The posterior fontanel closes by:
6 to 8 weeks of age
The anterior fontanel closes by:
12 to 18 months of age
Formation of teeth begins:
The 3rd fetal month
Central incisors erupt at:
5-7 months (mandibular) 6-8 months (maxillary)
Lateral incisors erupt at:
7-10 months (mandibular) 8-11 months (maxillary)
Cuspids (canines) erupt at:
16-20 months
First molars erupt at:
10-16 months
Second molars erupt at:
20-30 months
