Growth Flashcards
General Parameters (Infant)
-Regain birth weight by 2 weeks
-Double birth weight by 6 months
-Triple birth weight by 1 year
-50% increase in length by 1 year
General Parameters (Toddler)
-Height at 2 years is about 1/2 of adult height
-Double birth length by 4 years
When does posterior fontanel close?
By 6-8 weeks of age
When does anterior fontanel close?
18-24 months
Child should have __ teeth at x months.
Minus 6 rule; if 12 months old, should have (12-6) 6 teeth.
When should all primary teeth erupt by?
~2-2.5 years
Start shedding primary teeth by what age?
~6 years
Weight gain in 1st year
5-7 ounces/week during first 6 months
12-20 ounces/month during month 6-12
0-3 months: 4-8 ounces/week
3-6 months: 5 ounces/week
6-12 months: 3-4 ounces/week
Length gain in 1st year
0.5 inches/month during first 6 months
0.3 inches/month during months 6-12
Toddler/Preschool weight gain/year
~4 pounds/year
Toddler/Preschool length gain/year
~3 inches/year
School age weight and length gain/year
5-7 pounds/year
2 inches/year
Adolescent Female weight and length gain
Between age 10-14:
-38 pounds
-9 inches
Adolescent Male weight and length gain
Between age 12-16:
-42 pounds
-9 inches
Female Sexual Development Stages
Onset 9-10 years
First sign: breast buds
1. Ovaries increase in size (not seen)
2. Thelarche (9-10 years)
3. Adrenarche (11.5 years)
4. Rapid Linear Growth (12 years)
5. Menarche (12.5 years)
Male Sexual Development Stages
Onset 11-12 years
First sign: testicular growth
1. Testicular Enlargement (11 years)
2. Pubic hair development
3. Spermarche (13.5-14.5 years)
4. Elongation/Widening of Penis
5. Rapid Linear Growth (14 years)
6. Change in voice
7. Axillary, Facial, Body hair
Tanner Stages (Female, Breast)
- Pre-pubertal, no palpable breast tissue
- Breast bud with areolar enlargement
- Enlargement of breast without separate contour with nipple
- Projection of areola and nipple as secondary mound to breast
- Adult breast with areola receding and nipple projecting from breast
Tanner Stages (Male, Genital)
- Preadolescent testes, scrotum, penis
- Enlargement of scrotum and testes; scrotum reddens and roughens
- Penis enlarges in length
- Penis enlarges in breadth and development of glans
- Adult size and shape
Tanner Stages (Pubic Hair)
- Preadolescent without pubic hair
- Sparse, pale, fine
- Darker, more curled, increased amount
- Hair is adult in character but doesn’t extend to thighs
- Adult distribution
At what ages do you conduct vision screens?
3, 4, 5, 6, 8, 10, 12, 15, 18
At what ages do you conduct hearing screens?
At birth, 4, 5, 6, 8, 10 years
How many grams in an ounce?
28
Estimated bilirubin levels
5 @ nipple line
10 @ hips
>12 @ lower extremities
Phototherapy Treatment Levels
> /= 15 @ 25-48 hours
/= 18 @ 49-72 hours
/= 20 @ 72 hours+
Estimated number of ounces/feed
Age + 1
Formulas for expected height
Boys: (mom+5) + dad/2
Girls: (dad-5) + mom/2
Calorie requirements 0-3 months
100-110 kcal/kg/day
Calorie requirements 4 months-3 years
80-85 kcal/kg/day
Calorie requirements 3-8 years
80-90 kcal/kg/day
Calorie requirements 8-12 years
60-80 kcal/kg/day
Calorie requirements 12-16 years
45-60 kcal/kg/day
Starting age and peak of stranger anxiety
Begins @ 6 months
Peaks @ 12 months
Starting age and peak of separation anxiety
Begins @ 8-9 months
Peaks @ 14 months
