Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
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Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview

LH and FSH are required for follicular development and continued growth until ovulation

 • Follicular Phase - Selection of dominant follicle

    - FSH from pituitary stimulates granulosa cells

    - LH from pituitary Incr androgens from theca cells

 • Ovulation - Release of dominant follicle

 • Luteal Phase - Ripening of corpus luteum

Corpus luteum forms following ovulation -> LH supports corpus luteum function until natural atrophy or pregnancy occur -> Progesterone produced -> Inhibit FSH/LH release from pituitary -> Atrophy of corpus luteum if embryo does not implant



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The Calgary Guide to Understanding Disease
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Account created for The Calgary Guide to Understanding Disease - Linking pathophysiology to clinical presentation - http://calgaryguide.ucalgary.ca/
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