Puberty and adolescent health Flashcards
What happens during puberty (pathway) ?
Hypothalamus increases secretion of GnRH so that pulsatile secretion of LH and FSH occurs.
This results in sufficient sex steroid production to result in the secondary sexual development.
What staging is used for puberty?
Tanner staging
Females usually enter puberty before males - true or false ?
True
Average age for female to enter puberty
11 years
Average age for male to enter puberty
11 years 6 months
Tanner stage 1 - girls
Pre-puberty
- No signs of pubertal development
Tanner stage 2-3 - girls
In puberty
- breast development OR/AND
- pubic or axillary hair
Tanner stage 4-5 - girls
Completing puberty
- Started periods +
- signs of pubertal development
Tanner stage 1 - boys
Pre-puberty
- No signs of pubertal development +
- High voice
Tanner stage 2-3 - boys
In puberty
- Slight deepening of voice AND/OR
- Pubic or axillary hair growth AND/OR
- Enlargement or testes or penis
Tanner stage 4-5 - boys
Completing puberty
- Voice fully broken
- Facial hair
- Adult size of penis with pubic and axillary hair
What does FSH do in females?
Works on the follicle to ultimately stimulate oestrogen
What are the 3 things to look for in female puberty?
Breast development
Pubic/axillary hair
Menarche
What is the first sign of puberty in a female?
Breast development
When does menarche usually begin in relation to breast development?
2-3 years after breast development