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A prospective study...
A prospective study of different types of hormone replacement therapy use and the risk of subsequent breast cancer: the women's health in the Lund area (WHILA) study (Sweden)
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- Jernström, Helena (author)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Bendahl, Pär-Ola (author)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Lidfeldt, Jonas (author)
- Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine
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- Nerbrand, Christina (author)
- Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine
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- Agardh, Carl-David (author)
- Lund University,Lunds universitet,Institutionen för kliniska vetenskaper, Malmö,Medicinska fakulteten,Department of Clinical Sciences, Malmö,Faculty of Medicine
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- Samsioe, Göran (author)
- Lund University,Lunds universitet,Obstetrik och gynekologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Obstetrics and Gynaecology (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
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(creator_code:org_t)
- 2003
- 2003
- English.
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In: Cancer Causes and Control. - 1573-7225. ; 14:7, s. 673-680
- Related links:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Objectives: Reports suggest that combined estrogen plus progestin hormone replacement therapy (HRT) confers a higher breast cancer risk than estrogen alone. We aimed to establish whether breast cancer risk depends on the type of HRT formula. Methods: The cohort consisted of 6586 women, aged 50 - 64 years, from the Lund area, Sweden, with no reported breast cancer upon inclusion. We obtained information such as HRT use through a questionnaire between December 1995 and February 2000. New breast cancers were identified through the South Swedish tumor registry. Results: Between inclusion and December 2001, 101 women developed breast cancer. Only ever use of the continuous combined estrogen plus progestin ( CCEP) formula differed between cases and controls (45.2% versus 23.5%; p = 0.000001). Compared with never users, exclusive CCEP users had the highest age-adjusted hazard ratio HR 3.3 (95% CI: 1.9 - 5.6; p < 0.001), followed by users of CCEP in addition to other HRT formulas HR 2.8 (95% CI: 1.4 - 5.5; p = 0.003). No significant increase was seen in women who exclusively used other HRT formulas. Conclusion: Women who used CCEP had over three times the risk of developing breast cancer compared with never users and twice the risk compared with users of other types of HRT.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- hormone replacement therapy
- estrogen
- breast neoplasm
- cohort study
- progestin
Publication and Content Type
- art (subject category)
- ref (subject category)
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