The Normal Menstrual Cycle

When estradiol levels > 200 pg/ml . Follicles are nearly mature. Super positive feedback – LH surge. LH surge and Ovulation. LH levels peak 24-36 hours after estrogen peaks. Androgen levels rise. Knocks off all but the queen of all follicles. Increases libido. Initiates resumption of meiosis. Prostaglandin formation. Essential for follicle ... ................
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