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Infertility, treatm...
Infertility, treatment of infertility, and the risk of breast cancer among women with BRCA1 and BRCA2 mutations : a case-control study
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Kotsopoulos, Joanne (author)
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Librach, Clifford L (author)
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Lubinski, Jan (author)
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Gronwald, Jacek (author)
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Kim-Sing, Charmaine (author)
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Ghadirian, Parviz (author)
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Lynch, Henry T (author)
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Moller, Pal (author)
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Foulkes, William D (author)
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Randall, Susan (author)
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Manoukian, Siranoush (author)
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Pasini, Barbara (author)
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Tung, Nadine (author)
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Ainsworth, Peter J (author)
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Cummings, Shelly (author)
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Sun, Ping (author)
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Narod, Steven A (author)
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- Olsson, Håkan (author)
- Lund University,Lunds universitet,Medicinsk onkologi,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumörmikromiljö,Institutionen för kliniska vetenskaper, Lund,Medical oncology,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Tumor microenvironment,Department of Clinical Sciences, Lund
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(creator_code:org_t)
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- 2008-05-29
- 2008
- English 9 s.
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In: Cancer Causes and Control. - : Springer Science and Business Media LLC. - 1573-7225 .- 0957-5243. ; 19:10, s. 9-1111
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
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- BACKGROUND: Women with a breast cancer susceptibility gene 1 (BRCA1) or breast cancer susceptibility gene 2 (BRCA2) mutation are at increased risk for developing breast and ovarian cancer. Various reproductive and hormonal factors have been shown to modify the risk of breast cancer. These studies suggest that estrogen exposure and deprivation are important in the etiology of hereditary cancer. Many patients are interested in the possibility of an adverse effect of fertility treatment on breast cancer risk. It is important to evaluate whether or not infertility per se or exposure to fertility medications increase the risk of breast cancer in genetically predisposed women.METHODS: We conducted a matched case-control study of 1,380 pairs of women with a BRCA1 or BRCA2 mutation to determine if a history of infertility, the use of fertility medications, or undergoing in vitro fertilization (IVF) were associated with and increased the risk of breast cancer.RESULTS: Sixteen percent of the study subjects reported having experienced a fertility problem and 4% had used a fertility medication. Women who had used a fertility medication were not at significantly increased risk of breast cancer (odds ratio [OR] = 1.21; 95% confidence interval [CI] = 0.81-1.82) compared to non-users. Furthermore, there was no risk associated with a history of use of a fertility medication when the subjects were stratified by parity: (OR = 1.29; 95% CI = 0.83-2.01 for nulliparous women and OR = 0.81; 95% CI = 0.30-2.22 for parous women).CONCLUSIONS: The results of this study suggest that the use of fertility medications does not adversely affect the risk of breast cancer among BRCA mutation carriers. Given the small sizes of the exposed subgroups, these findings should be interpreted with caution and confirmatory studies are required.
Keyword
- Adolescent
- Adult
- Aged
- Aged, 80 and over
- Breast Neoplasms
- Bromocriptine
- Case-Control Studies
- Clomiphene
- Estrogens
- Female
- Fertility Agents, Female
- Genes, BRCA1
- Genes, BRCA2
- Humans
- Infertility
- Menotropins
- Middle Aged
- Multivariate Analysis
- Mutation
- Risk Factors
- Young Adult
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Kotsopoulos, Joa ...
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Librach, Cliffor ...
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Lubinski, Jan
-
Gronwald, Jacek
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Kim-Sing, Charma ...
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Ghadirian, Parvi ...
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show more...
-
Lynch, Henry T
-
Moller, Pal
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Foulkes, William ...
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Randall, Susan
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Manoukian, Siran ...
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Pasini, Barbara
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Tung, Nadine
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Ainsworth, Peter ...
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Cummings, Shelly
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Sun, Ping
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Narod, Steven A
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Olsson, Håkan
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show less...
- Articles in the publication
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Cancer Causes an ...
- By the university
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Lund University