Outline-Key Concepts 12-5

Outline-Key Concepts 12-5 - Outline & Key Concepts:...

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I. Menopause i. Go an entire year without having a period ii. Transition iii. Process of change iv. Perimenopause: years of transition from regularly menstruating to not menstruating 1. Cycles might start to get longer or short, heavier or lighter etc v. Mid forties to early fifties b. Hormonal Changes i. Ovarian follicles 1. The follicles in the ovaries are not all used up, but DO have fewer follicles developing 2. Follicles stop responding to LH and FSH; become less sensitive 3. this makes estrogen levels lower 4. Anovulatory cycle—menstruating without ovulating 5. Positive feed back loop 6. FSH levels increase significantly 7. LH also increases 8. Low progesterone levels 9. Lower estrogen levels 10.Women still have estrogen before and after menstration ii. Hormonal profile iii. Estrogen 1. Estradiol—strongest estrogen, dominant in reproductive years, produced by follicles in the ovaries 2. Estrone & Androstenedione—also reproductive years, converted by fat and muscle tissue (andro) into estrone. Dominate after menopause
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Outline-Key Concepts 12-5 - Outline & Key Concepts:...

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