Prolactin Flashcards
1
Q
Source of prolactin
A
Anterior pituitary
2
Q
Function of prolactin
A
Stimulates breast development
Stimulates milk production
Decreases GnRH pulsatility at the hypothalamic level and to a lesser extent, blocks the action of LH on the ovary or testis.
3
Q
What inhibits prolactin secretion
A
constant inhibition by dopamine
4
Q
What factors can increase prolactin secretion?
A
thyrotropin releasing hormone
pregnancy
oestrogen
breastfeeding
sleep
stress
drugs e.g. metoclopramide, antipsychotics
5
Q
What can reduce prolactin secretion?
A
dopamine
dopaminergic agonists
6
Q
A
