Decrease In Breast Cancer Linked To Reduced Use Of Hormone Replacement Therapy
Breast cancer and Hormone Therapy
The sharp decline in the rate of new breast cancer cases in 2003 may be related to a national decline in the use of hormone replacement therapy (HRT).The report used data from the Surveillance, Epidemiology and End Results (SEER) program of the National Cancer Institute (NCI), part of the National Institutes of Health.
Age-adjusted breast cancer incidence rates in women in the United States fell 6.7 percent in 2003. During this same period, prescriptions for HRT declined rapidly, following highly-publicized reports from the Women's Health Initiative (WHI) study that showed an increased risk of breast cancer, heart disease, stroke, blood clots, and urinary incontinence among postmenopausal women who were using hormone replacement therapy that included both estrogen and progestin. The two most commonly prescribed forms of HRT in the United States, Premarin