Paediatric Endocrinology

Question 1

What factors influence height?

Answer 1

- Age
 Sex
 Race
 Nutrition
 Parental heights
 Puberty
 Skeletal maturity (bone
age)
 General health
 Chronic disease
 Specific growth
disorders
 Socio-economic status
 Emotional well-being

Question 2

What are the measurements used to assess growth?

Answer 2

Sitting height
Height
Length
Head circumference
Bone age

Question 3

What is the tanner method of staging puberty?

Answer 3

B 1 to 5 (breast development)
• G 1 to 5 (genital development)
• PH 1 to 5 (pubic hair)
• AH 1 to 3 (axillary hair)
• T 2 ml to 20 ml (testicular maturation)

Question 4

When is puberty classed as being early or late?

Answer 4

Boys
– early < 9 years (rare)
– delayed >14 (common, especially
CDGP)

Girl
– early <8 years
– delayed >13 (rare)