Flashcards in 2 - Gynae - Menstrual Cycle and its disorders - Amenorrhea + Oligomenorrhea Deck (10):
what is primary amenorrhea? may be ? or ?
what is secondary amenorrhea?
what is oligomenorrhea?
-menstruation hasn't started by 16 - could be delayed puberty (2' sex char not present by 14), or menstrual outflow problem
-when prev normal menstruation ceases for more 6m or more
- menstruation occurs every 35d-6m
usually during lactation
constitutional delay common and often familial
2' amen/olig most commonly caused by:
drugs eg progestogens, GnRH analogues and antipsychotics
MAY LIE IN:
-hypothalamus, pituitary, thyroid, adrenals, ovary or uterus and outflow tract
PCOS, premature menopause, hyperprolactinaemia
-what is common? due to 3 things?
-what is uncommon? how to r/o?
-what happens if hypothalamus is cause?
-supportive trt - 3 things?
hypothalamic hypogonadism - physiology, low weight/anorexia or XS exercise
-tumours - w MRI
-GnRH, LH, FSH, and oestradiol reduced
-monitor bone density, HRT/COCP, psych trt if needed
- what happens? due to ? or ?
- what are rare?
- trt? 3 things
rare - pituitary tumours, sheehan's necrosis
-hyperprolactinaemia from pit hyperplasia or benign adenomas
-trt - bromcriptine, cabergoline or sugery
adrenal or thyroid
- what causes amenorrhea here? 2 things
- 2 rare things
rare things - CAH, virilising tumours
hyperthyroid > amenorrhea
hypothyroid > high prolactin and amenorrhea
Ovary - acquired
- what condition? causes what? ass w what? premature menopause in?/100?
PCOS - common - ass w subfertility and long term complx
1' or 2' amenorrhea but olig more common
prem men in 1/100
Ovary - congenital
-most commonly? gives normal ?, poor ?, short ?
-effect on ovary?
turners - one X Chr absent - short stature, poor 2' sex characteristics, normal intelligence
gonadal dysgenesis - imperfect ovary formed
Menstrual flow obstructed or absent
- acquired? causing? type of amenorrhea?
- usually 2' amenorrhea, cervical stenosis -> haematometra