and Answers
What do the ovaries produce? - ANS Ovum, estrogen and progesterone
FSH function - ANS Initial follicle development
Where is FSH produced? - ANS anterior pituitary gland
Is there a lot of FSH and LH in the system when menstruation begins? - ANS No
LH function - ANS Stimulates and completes follicular growth (also turns ruptured follicle into
corpus luteum)
LH surge triggers what? - ANS ovulation
Where is GnRH produced? - ANS hypothalamus
GnRH function - ANS stimulates release of FSH and LH
most potent form of estrogen - ANS estradiol
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, Where is estradiol made? - ANS ovaries
What is estrogen responsible for? - ANS Maturing eggs and uterine lining, develops cervical
fluid
Is there a lot of estrogen when a new cycle begins? - ANS No
Where is progesterone produced? - ANS corpus luteum
What does progesterone do? - ANS Maintains uterine lining, maintains pregnancy, produces
heat
Cycle day 1 what hormones are present in large amounts? - ANS None
Why does uterine lining shed? - ANS No progesterone to maintain the lining, constricting
blood vessels
As soon as menstruation begins, what hormone is being produced? - ANS FSH
What occurs on day 5 of menstruation? - ANS Menses is ending, LH produced, follicles
develop granulosa cells, estrogen produced
What does estrogen signal the hypothalamus to do? - ANS Produce GnRH (which causes LH
to increase)
What happens on day 7 of cycle? - ANS Estrogen production sharply increases in dominant
follicle, uterine lining grows (5-7mm)
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