abc news: New evidence today adds to the belief that hormone replacement therapy may do more harm than good for many women after menopause, and it has many experts trying to figure out for which women the therapy is safe.
New results released Tuesday from the ongoing Women's Health Initiative trial found that not only do postmenopausal women who take a combination of estrogen and progestin therapy have a higher chance of getting aggressive forms of breast cancer, but that they may be at higher risk of dying from the disease.
The results, from an 11-year follow up with more than 12,000 women who were randomly assigned to receive either the combination hormone therapy or a placebo, found 385 women taking the therapy developed an aggressive form of breast cancer, compared to 293 in the placebo group. Twenty-five women who took hormone therapy died from breast cancer during the study, compared to 12 women in the placebo group.
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