last min gynae Flashcards
Inhibin selectively inhibtis
FSH
thec cells produce andogens from cholesterol by
LH
drop in what causes dom follicle
FSH
whats most likely to be the dom follcile
high conc of FSH induced LH receptors
inhibin acts to decrease
FSH
androgens rise during ovulation - thought to be important in libido
LH surge is the best predictor of imminent ovulation and this principle is used in ovulation predictor tests.
ovulation occurs when
12 hours after the Lh surge
high levels of porgesteron during teh – phase supress LH and FSH
luteal
decrease in what causes menstruation
progesterone
7 day before period progesterone
assesses ovualtion
when is the endometrium in the proliferating vs secretory pahse
follicular phse - proliferatin
luteal - secretory
- is the formation of a specialised glandular epithelium and is an irreversible process and apoptosis occurs if there is no embryo implantation.-
decidualisation
menstruation is how long after ovualtion
14
mefenamic acid is a
prostaglandin inhibitor - act by increasing the ratio of vasconcstrictor to vasodilator ratio
Nsaids such as mefenamic acid is contraindicaed if hsitory of
duodenal ulcers or severe asthma
why GnrH analogue bad long temr
osteoporosis - however can combine with HRT
GNRH decrease
FSH and LH
examples of gnrh analogues
buserelin and goserelin
most common reasons for cervical ectropion
preg or pill
women with PMB over what age should have 2 week by US for endometrial cancer
55
most common cause of post menstual bleedig
atrophic vaginits
exception to doing US for if got post mentrual bleeding
if on tamoxifen - as they will have a thickened endometrium so need direct visualisation by hysterocscopy and endoemtrial biopsy
first line for endometrial hyperplasia
MIRena
LH and FSH in PCOS
LH are very high and FSH are low or normal
clomifene works by
blcokign oestrogen negative feedback so more gnrh and more FSH and LH
best thing for acne in PCOS
Co-cyrprindol (diannette)
dysmenorrhoea
excessive pain during menstrual period
primary dysmenorrhoea - usually appears 1-2 years after menarche
secondary dysmenorrhoea- starts many yeats after starting menarceh
uterus appears large and globualr
adenomyosis
endometrium in muscle layer of uterus
adenomyosis
nsaids such as mefenamic acid and ibuprofen are first line for
dysmenorrohoea
absent uterus
mullerian agenesis
mx for kallamn
HRT