Growth and Development Flashcards
Who gets a special growth chart? (6)
Premature (Babson)
Downs
Prader-Willi
Cerebral palsy
Williams Syndrome
Myelomeningocele
When does the greatest growth occur in a normal child?
First year
By what age does a term infant regain to birth weight?
2 weeks
How much should an infant gain in the first 3 months? By their first birthday?
First 3 months = 1 kg/mo
1 yo = 3 x birth weight
Which of the following hormones are important for fetal and postnatal growth: IGF, GH, TH.
IGF = fetal and postnatal growth
GH = postnatal growth
TH = fetal development (CNS)
When is fetal weight gain the greatest?
3rd trimester
What teeth erupt first? By what age do kids have all their primary teeth?
Central incisors @ 5-8 months
Second molars @ 20-30 months
All by 2 1/2 yo
When do permanent teeth erupt?
6-7 years
What causes microcephaly (3 SD < mean)
Genetic: Familial, Trisomy 21, 18, cri-du-chat, Prader-Willi
Prenatal: Drug use, TORCH, maternal PKU, dec placenta blood flow
Structural malformation: lissencephaly
**Predisposes to cognitive/motor delay & seizures
What is affected first by FTT?
Weight
Height
Head circumference
What causes macrocephaly?
Familial | 50%
Hydrocephalus, Sotos syndrome, large brain (megalencephaly), cranioskeletal dysplasia
What accounts for most cases of FTT in the US?
Psychosocial reasons
Failure to Thrive
Weight < 3rd percentile
SMALL KID
Subcut fat loss
Muscle atrophy
Alopecia
Lagging behind norms
Lethargy
Kwashiorkor/marasmus
Infection
Dermatitis
Lack of weight gain after adequate caloric feedings is characteristic of what?
Nonorganic FTT
Abuse, neglect, improper feeding
How long should you correct for age of preterm infants?
18-24 months
*for kids born > 2 weeks early