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- What do the terms menarche and menopause mean?If a 9-year-old male were castrated, what would happen to the levelsof GnRH, FSH, LH, and testosterone in his blood? What effect wouldthese hormonal changes have on his sexual characteristics and sexualbehavior as an adult?At the start of the follicular phase, levels of estrogen allow FSH levels to O low, decrease O high, increase O high, decrease O low, increase