Following ovulation, rising levels of estrogen
A) stimulate the endometrium to continue to proliferate.
B) inhibit the production of progesterone.
C) initiate a hormone cascade that triggers LH to rise, then FSH, followed by a sharp decline in GnRH.
D) promote the release of the "old" endometrium.
E) prevent implantation of the zygote.
A
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a. true b. false