secondary amenorrhoea Flashcards
1
Q
defined as
A
no menstruation >3mo after previous regular menstrual cycles
2
Q
causes
A
pregnancy menopause hormonal contraception PCOS thyroid pathology hyperprolactinaemia stress - low body weight chronic disease
3
Q
pituitary causes of 2ry amenorrhoea
A
pituitary tumours e.g. prolactin secreting prolactinoma
pituitary failure - trauma, radiotherapuy, Sheehan
4
Q
hyperprolactinaemia
A
high prolactin levels act on hypothalamus to prevent release GnRH –> no LH, FSH
5
Q
hyperprolactinaemia - feature
A
galactorrhoea
6
Q
hyperprolactinaemia - most common cause
A
prolactin secreting pituitary adenoma