Normal Growth & Development

Question 1

What are intrauterine factors affecting growth?

Answer 1

• Maternal nutritional deficiency
• Infections
• Gestational diabetes
• Smoking & alchohol
• Placental insufficiency
• Hormones (insulin)
• Health & genes of infant

Question 2

In the first year of life, ____ is the primary factor in growth.

Answer 2

Nutrition

Question 3

What is normal growth velocity in childhood?

Answer 3

5-6 cm/year

Question 4

What is peak growth velocity in puberty?

Answer 4

8-10 cm/year

Question 5

First sign of puberty in girls is…

Answer 5

Breast development
(Boobs, pubes, grow, flow)

Question 6

First sign of puberty in boys is…

Answer 6

Testicular development
(Testes, penile, pubic, grow)

Question 7

The best way to measure growth in infants is using a…

Answer 7

Infantometer

Question 8

When should we worry about growth?

Answer 8

• Height less than 3rd percentile
• Abnormal growth velocity
• Crossing percentiles
• Height inappropriate for parents’ heights

Question 9

What is the midparental height calculation?

Answer 9

Mom + Dad +/- 5” / 2
Should fall within 2 SDs (4-10 cm)

Question 10

What are the four key questions to ask with a growth evaluation?

Answer 10

1. Was the growth retardation intrauterine or postnatal in onset?
2. Is the child proportionate or disproportionate?
3. Is the growth velocity normal or slow?
4. Is the bone age normal or delayed?

Question 11

What is the only condition associated with normal bone age?

Answer 11

Familial short stature

Question 12

What conditions are associated with disproportion?

Answer 12

• Achondroplasia
• Scoliosis

Question 13

What condition is associated with normal growth velocity, but delayed bone age?

Answer 13

Constitutional delay of growth & puberty