Which of the following
statements about hormone regulation of the
female reproductive cycle is false?
a. LH and FSH are produced in the
pituitary, and estradiol and
progesterone are produced in the
ovaries.
b. Estradiol and progesterone secreted
from the corpus luteum cause the
endometrium to thicken.
c. Both progesterone and estradiol are
produced by the follicles.
d. Secretion of GnRH by the
hypothalamus is inhibited by low
levels of estradiol but stimulated by
high levels of estradiol.
