Rebecca's younger sister just told her that she has begun menopause. Rebecca wonders if she has begun menopause as well. One of the symptoms to watch out for is
A. the cessation of menstrual cycles.
B. the pause in development of ovarian follicles occurring between the birth of a baby girl and when she reaches puberty.
C. high plasma levels of estrogens.
D. cessation of gonadotropin secretion.
E. the cessation of ovulation while a baby is nursing.
Answer: A
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