Which of these statements concerning the menstrual cycle is NOT correct?
A) Before ovulation,estrogen and GnRH are involved in a positive-feedback loop.
B) Following ovulation,the corpus luteum begins to secrete progesterone and estrogen.
C) Progesterone and estrogen have a negative-feedback effect on FSH and LH secretion.
D) Estrogen causes the cells of the endometrium to become larger and secrete fluid,and progesterone causes the cells to divide rapidly.
E) By 7 or 8 days following ovulation,the endometrium is prepared to receive the developing blastocyst.
Correct Answer:
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A)is the cessation of menstrual cycles.
B)is usually
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A)At
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A)estrogen.
B)progesterone.
C)LH.
D)both estrogen
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A)FSH.
B)LH.
C)estrogen.
D)progesterone.
E)ADH.
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