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2001 SEP 13 - (NewsRx.com & NewsRx.net) -- A qualitative analysis of 25 years of research concludes that the evidence does not support the hypothesis that estrogen replacement therapy (ERT) increases the risk of breast cancer.
Nor does evidence support the theory that hormone replacement therapy (estrogen and progestin, or HRT) increases the risk of breast cancer more than estrogen only, say the authors of a study published in the September 2001 issue of Obstetrics & Gynecology.
The review did find consistent evidence that ERT and HRT users are less likely to die from breast cancer than nonusers.
Inconsistent study results have persisted throughout the last quarter-century on the issue of whether hormone users are more likely to get breast cancer than non-users. In contrast, 25 years of epidemiological studies have confirmed that estrogen use alone is associated with an increased risk of endometrial cancer. Unlike the continually inconsistent studies on breast cancer and estrogen, the endometrial-ERT association was consistent among studies, ...
Source: HighBeam Research, Study Concludes Estrogen Replacement Therapy Unlikely To Increase...