Biology / Unit 13 Bio 3339 short lesson, about 20 seconds
Hormonal Control of the Menstrual Cycle
Captions available
The idea
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.
In practice
A mid-cycle LH surge triggers ovulation, release of a mature egg from the ovary.
Where people slip
This entry names a regulatory mechanism only —
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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