Infants (2days-1Year) Flashcards
Head Circumference-newborn
33-35 cm (13-14 inches)
Crown to rump length-newborn
31-35Cm (12.5-14 inches) approximately equal to head
Length (head to heal)-newborn
48-53 cm(19-21 inches)
Weight-newborn
weight averages 2700-4000 g (6-9 lbs)
Newborn weight loss
up to 10% by 3-4 days. Usually regained by 10-14 days.
Weight gain 1st yr
1.5 lbs/mo-1st 5 mos..
average weight of 6mos old
16lbs
When is birth weight doubled
5 mos
When is birth weight tripled
12 months to an average of 21.5lbs
How much do infants grow
1 inch/mo for 1st 6 mos. and birth length increases by 50% by age 12 mos.
How much does head circumference increase
.75 inch/mo during 1st 3 mos. 0.4 inch/mo for 4-6mos. 0.2 inches/mo during second 6 mos
When do 1st teeth erupt?
6-10 mos, average 8mos
How many teeth by end of 1st year
6-8
1 month gross and fine motor skills
head lag, strong grasp reflex
2 month gross and fine motor skills
Lifts head off mattress when prone/Holds hand in open position, grasp reflex fading
3 month gross and fine motor skills
Raises head and shoulders off mattress when prone, only slight head lag/ No longer has a grasp reflex, keeps hands loosely open
4 month gross and fine motor skills
Rolls from back to side/grasps objects with both hands
5 month gross and fine motor skills
Rolls from front to back/Uses palmer grasp dominantly
6 month gross and fine motor skills
Rolls from back to front/Holds bottle
7 month gross and fine motor skills
Bears full weight on feet, Sits leaning forward on both hands/ moves objects from hand to hand
8 month gross and fine motor skills
Sits unsupported/ begins using pincer grasp
9 month gross and fine motor skills
pulls to a standing position. creeps on hands and knees instead of crawling/has a crude pincer grasp,dominant hand present
10 month gross and fine motor skills
changes from a prone to a sitting position/grasps rattle by handle