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Biology  /  Bio 3339  ·  Atom · ~20 seconds

Hormonal Control of the Menstrual Cycle

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Rising and falling FSH, LH, estrogen, and progesterone, per Bio 2955's axis, coordinate egg maturation, ovulation, and uterine lining preparation on a recurring schedule.

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A mid-cycle LH surge triggers ovulation, release of a mature egg from the ovary.

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This entry names a regulatory mechanism only —