Female reproductive physiology Flashcards
(13 cards)
oestrogen, LH, FSH
Pragnancy hormonal screening features
- High oestrogen
- Low LH/FSH
-ve feedback from oestrogen
Primary ovarian failure hormonal screening features
- Low AMH
- Low oestrogen
- High LH/FSH
Low AMH = reduced ovarian func.
Hypothalamic hypogonadism hormonal screening features
- Low LH/FSH/oestrogen
due to lack of GnRH
Define Adrenarche
The maturation of adrenal glands, leading to increased production of androgens (e.g., DHEA-S)
At what age do Adrenarche occur
6-8 years
Adrenarche hallmarks
Pubic/axillary hair
body odor
mild acne
Define Gonadarche
HPG axis activation → ovarian/testicular maturation
At what age in female does Gonadarche occur
8-13 years
Gonadarche hallmarks in girls
Breast budding - Initiates secondary sexual characteristics
Define Pubarche
First pubic hair
Define Thelarche
Onset of breast development - Breast budding (Tanner B2)
Define Menarche
The first menstrual period
Puberty order for girls
- Adrenarche
- Gonadarche
- Thelarche
- Pubarche
- Menarche