puberty_flashcards
What is the first sign of puberty in males and at what age does it occur?
Testicular growth at around 12 years of age (range = 10-15 years).
What testicular volume indicates the onset of puberty in males?
Testicular volume > 4 ml.
At what age does the maximum height spurt occur in males?
At 14 years of age.
What is the first sign of puberty in females and at what age does it occur?
Breast development at around 11.5 years of age (range = 9-13 years).
When does the height spurt reach its maximum in females?
Early in puberty, at around 12 years of age.
At what age does menarche typically occur in females?
At around 13 years of age (range = 11-15 years).
How much of height increase occurs following menarche?
An increase of only about 4% of height.
What are some normal changes in puberty for boys?
Gynaecomastia may develop.
What are some normal changes in puberty for girls?
Asymmetrical breast growth may occur.
What is a normal change in puberty related to the thyroid gland?
Diffuse enlargement of the thyroid gland may be seen.