Why Are Younger Women Diagnosed with Breast Cancer at Higher Rates?
- A new study suggests that some hormone replacement therapy types may raise breast cancer risk in young women before menopause.
- The meta-analysis included data from 459,476 women aged 16 to 54, with 2% diagnosed with young-onset breast cancer.
- Oestrogen hormone therapy reduces breast cancer risk by 14%, while oestrogen plus progestin therapy increases it by 10%.
- Dr. Kotryna Temcinaite noted that the research provides insights on HRT's influence on breast cancer risk for women under 55.
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Breast cancer risk elevated among young women using certain HRT – study
Previous work has focused on the risk among older women.
·London, United Kingdom
Read Full ArticleBreast cancer risk in younger women may be influenced by hormone therapy
Scientists at the National Institutes of Health (NIH) have found that two common types of hormone therapy may alter breast cancer risk in women before age 55. The study, "Hormone therapy use and young-onset breast cancer: a pooled analysis of prospective cohorts included in the Premenopausal Breast Cancer Collaborative Group," was published in The Lancet Oncology.
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