Hormones in Ovulation
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FSH
Follicle-Stimulating Hormone Produced by pituitary gland Small rise in first half of cycle followed by peak at day 14 Promotes the development of the primary follicle
GnRH
Gonadotropin Releasing Hormone Produced by the hypothalamus to stimulate to pituitary gland to produce LH and FSH
LH
Lutenising Hormone Produced by pituitary gland Single peak at day 14 Triggers ovulation (follicle rupture) at peak
Profile of Oestrogen Over Ovulation
Peak of oestrogen just prior to ovulation, drop then positive curve while corpus luteum is active
Profile of Progesterone Over Ovulation
Positive curve of progesterone spanning ovulation to menstuation
Corpus Luteum
Produces mainly progesterone and some eostrogen On fall of LH level corpus luteum degenerates