Female reproductive hormones
Hormone
GnRH
FSH
Origin
Hypothalamus
Ant. Pit.
LH
Ant Pit
Estrogen
Ovaries
Progesterone
Corpus lutem of ovaries and
adrenal cortex
HCG
Developing embryo, blast assist,
Placenta
Inhibin
Ovaries (Granulosa cells)
Oxytocin
Posterior pituitary
Action
Ant. Pit. FSH, LH
Acts on Ovarian follicles to
stimulate development
Acts on ovaries to stimulate
Ovulation
Acts on body tissue to develop
Secondary sex characteristics,
grows endometrium, develops
mammary glands,
Acts on anterior pit. To
stimulate ovulation through
positive feedback and the
secretion of LH and FSH.
Negative feedback with
progesterone inhibits the
secretion after ovulation.
Secondary phase of
endometrium maturity,
maintains pregnancy
Maintains Corpus luteum and
increases rate of progesterone
during the first trimester of
pregnancy. Increases
testosterone production in
testes of male fetuses
Inhibit release of LH from
pituitary
Uterine contraction, and let
down reflex in nursing parents.