PROVIDER HANDOUT Estrogen Dominance and Hormone Balance The Condition Many of the most common and unwanted symptoms of Candidates
menopause and the years preceding it (peri-menopause)
are causally connected to the condition of Estrogen
Individuals in Menopause and/or with signs of low thyroid,
Dominance, a term coined by John Lee, M.D., (What Your
fibroids, endometriosis and overall symptoms of too much
Doctor May Not Tell You About Menopause). The name
estrogen including: breast tenderness, fibrocystic breasts,
refers to a prolonged state of estrogen excess (particularly
mood swings, vasomotor fluctuations, (hot flashes &/or
in relation to progesterone) common to the waning of
night sweats) irritability, anxiety, fat gain (hips and thighs)
reproductive hormones with age, but exacerbated by
exposure to the plethora of synthetic "xenohormones"such as HRT, pesticides and pollutants in our environment. The Problem
Saliva testing is a simple, reliable means for detecting
estrogen dominance as it measures only the fraction of
The scientific literature is clear (www.salivatest.com for
hormones that have left the bloodstream and are active
complete references) that an excess of estrogen or
in the tissues of the breast, uterus, brain, bones and
estrogen activity at the cell level is a root cause of breast
skin. This "bioavailable" measurement can detect long
cancer. We know too, that hormone imbalances triggered
hidden hormone imbalances and more closely correlates
by the use of synthetic hormone combinations ( Premarin,
with the clinical picture. Because hormones work
Prempro, Premphase, Provera) can have deadly
together to create a balanced internal milieu, its important
consequences. The most recent definitive study, The
to test all of the following to determine estrogen
Womens Health Initiative Trial, was abruptly cancelled in
July 2002 when it showed a greater risk vs. benefit for a
· Estradiol (E2) the most potent of the estrogens
majority of diseases it was thought to be preventing:
· Progesterone (Pg) · A 41% increase in strokes · Testosterone · A 29% increase in heart attacks · A 26% increase in breast cancer · Cortisol (Adrenal Function) · A 22% increase in total CVD · A doubling of the rate of blood clots Benefits · A possible contributor to Alzheimer's disease
Key to hormone balance is the knowledge that when
estrogen becomes the dominant hormone and
progesterone is deficient, estrogen becomes toxic to
In Premenopausal Women:
the body. At ZRT we monitor symptoms and hormone
Ovulation or lack of (anovulation) followed by insufficient
usage and relate these back to tested hormone levels
to provide more diagnostic clues than are available with
At PeriMenopause (30s-mid-50s):
standard tests. In this way, saliva testing can assist
Lack of ovulation or erratic cycles, when estrogen levels
detection of previously undiagnosed disorders, and serve
fluctuate rapidly from high to low in the absence of
as a rational basis for treatment to relieve symptoms
PostMenopause:
An excess of estrogen to progesterone in waning
reproductive years when ovarian production of estrogen
declines up to 60% but progesterone levels can drop to
nearly zero with the cessation of ovulation.
Estrogen dominance is a condition in which a woman can have
1815 NW 169th Place • Ste. 5050 • Beaverton, OR 97006
deficient, normal or excess estrogen but has little or no progesterone to
Phone: (503) 466-2445 • Fax: (503) 466-1636
balance its effects upon the body.” Dr. John Lee, M.D. Author of What
Toll-free: 1-866-600-1636 • info@zrtlab.com
Your Doctor May Not Tell You About Menopause
www.salivatest.com • www.bloodspottest.com
Selected References
Principal Writing Group for the Women's Health Initiative Investigators Results from the Women’s Health Initiative (WHI)
Randomized Controlled Trial JAMA 2002;288:321-333.
Cavalieri EL, Stack DE, et. al, Molecular origin of cancer: catechol estrogen-3,4-quinones as endogenous tumor initia-
tors. Proc Natl Acad Sci U S A 1997 Sep 30;94(20):10937-42
Cowan LD, Gordis L, Tonascia JA, Jones GS Breast cancer incidence in women with a history of progesterone deficiency.
Cuzick J, Powles T, et. al,Overview of the main outcomes in breast-cancer prevention trials. Lancet 2003 Jan
Davis DL, Bradlow HL, et. al. Medical hypothesis: xenoestrogens as preventable causes of breast cancer.
Environ Health Perspect 1993 Oct;101(5):372-7
Foidart JM, Colin C, Denoo X, Desreux J, Beliard A, Fournier S, de Lignieres B. Estradiol and progesterone regulate the
proliferation of human breast epithelial cells Fertil Steril 1998 May;69(5):963-9
Formby B, Wiley TS, Progesterone inhibits growth and induces apoptosis in breast cancer cells: inverse effects on Bcl-2
and p53. Ann Clin Lab Sci 1998 Nov-Dec;28(6):360-9
Formby B, Wiley TS. Bcl-2, survivin and variant CD44 v7-v10 are downregulated and p53 is upregulated in breast
cancer cells by progesterone: inhibition of cell growth and induction of apoptosis. Mol Cell Biochem 1999 Dec;202(1-
Graham JD, Clarke CL. Physiological action of progesterone in target tissues Endocr Rev 1997 Aug;18(4):502-19
Hofseth LJ, Raafat AM, et. al Hormone replacement therapy with estrogen or estrogen plus medroxyprogesterone
acetate is associated with increased epithelial proliferation in the normal postmenopausal breastJ Clin Endocrinol Metab
Lipworth L, Adami HO, et. al. Serum steroid hormone levels, sex hormone-binding globulin, and body mass index in the
etiology of postmenopausal breast cancer. Epidemiology 1996 Jan;7(1):96-100
Mohr PE, Wang DY, et. al. Serum progesterone and prognosis in operable breast cancer. Br J Cancer 1996
Plu-Bureau G, Le MG, et. al. Percutaneous progesterone use and risk of breast cancer: results from a French cohort
study of premenopausal women with benign breast disease. Cancer Detect Prev 1999;23(4):290-6
Pujol P, Hilsenbeck SG, et al. Rising levels of estrogen receptor in breast cancer over 2 decade
Reed MJ, Purohit A. Breast cancer and the role of cytokines in regulating estrogen synthesis: an emerging hypothesis.
`Sephton SE, Sapolsky RM, et. al. Diurnal cortisol rhythm as a predictor of breast cancer survival. Natl Cancer Inst
Stoll BA Western nutrition and the insulin resistance syndrome: a link to breast cancer. Eur J Clin Nutr 1999
Grady D, Wenger NK, et. al. Postmenopausal hormone therapy increases risk for venous thromboembolic disease. The
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Hsia J, Simon JA, et. al Peripheral arterial disease in randomized trial of estrogen with progestin in women with
coronary heart disease: the Heart and Estrogen/Progestin Replacement Study Circulation 2000 Oct 31;102(18):2228-32
Hulley S, Grady D, et.al. Randomized trial of estrogen plus progestin for secondary prevention of coronary heart
disease in postmenopausal women. Heart and Estrogen/progestin Replacement Study (HERS) Research Group. JAMA
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No authors listed Effects of estrogen or estrogen/progestin regimens on heart disease risk factors in postmenopausal
women. The Postmenopausal Estrogen/Progestin Interventions (PEPI) Trial. The Writing Group for the PEPI Trial. JAMA
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En los tiempos modernos, estos instrumentos de crédito se han convertido en una herramienta importante para las transacciones comerciales, ya que las mismas están contempladas en el Código de Comercio, lo cual hace posible su cobro. Para la elaboración de la presente investigación se procedió al análisis de variadas fuentes de información que permitieron su desarrollo de la maner