Pregnancy related protection against breast cancer depends on length of gestation

In a prospective study of 694 657 parous women in Norway, 5474 developed breast cancer after their first birth. If the first pregnancy lasted less than 32 weeks, the risk was 22% (95% confidence interval, −3% to 53%) greater than after a pregnancy of 40 weeks or more, with a significant declining tr...

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Detalles Bibliográficos
Autores principales: Vatten, L J, Romundstad, P R, Trichopoulos, D, Skjærven, R
Formato: Texto
Lenguaje:English
Publicado: Nature Publishing Group 2002
Materias:
Epidemiology
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2364219/
https://www.ncbi.nlm.nih.gov/pubmed/12177796
http://dx.doi.org/10.1038/sj.bjc.6600453
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author Vatten, L J
Romundstad, P R
Trichopoulos, D
Skjærven, R
author_facet Vatten, L J
Romundstad, P R
Trichopoulos, D
Skjærven, R
author_sort Vatten, L J
collection PubMed
description In a prospective study of 694 657 parous women in Norway, 5474 developed breast cancer after their first birth. If the first pregnancy lasted less than 32 weeks, the risk was 22% (95% confidence interval, −3% to 53%) greater than after a pregnancy of 40 weeks or more, with a significant declining trend in risk (P for trend=0.02). British Journal of Cancer (2002) 87, 289–290. doi:10.1038/sj.bjc.6600453 www.bjcancer.com © 2002 Cancer Research UK
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spelling pubmed-23642192009-09-10 Pregnancy related protection against breast cancer depends on length of gestation Vatten, L J Romundstad, P R Trichopoulos, D Skjærven, R Br J Cancer Epidemiology In a prospective study of 694 657 parous women in Norway, 5474 developed breast cancer after their first birth. If the first pregnancy lasted less than 32 weeks, the risk was 22% (95% confidence interval, −3% to 53%) greater than after a pregnancy of 40 weeks or more, with a significant declining trend in risk (P for trend=0.02). British Journal of Cancer (2002) 87, 289–290. doi:10.1038/sj.bjc.6600453 www.bjcancer.com © 2002 Cancer Research UK Nature Publishing Group 2002-07-29 2002-08-01 /pmc/articles/PMC2364219/ /pubmed/12177796 http://dx.doi.org/10.1038/sj.bjc.6600453 Text en Copyright © 2002 Cancer Research UK https://creativecommons.org/licenses/by/4.0/This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material.If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/.
spellingShingle Epidemiology
Vatten, L J
Romundstad, P R
Trichopoulos, D
Skjærven, R
Pregnancy related protection against breast cancer depends on length of gestation
title Pregnancy related protection against breast cancer depends on length of gestation
title_full Pregnancy related protection against breast cancer depends on length of gestation
title_fullStr Pregnancy related protection against breast cancer depends on length of gestation
title_full_unstemmed Pregnancy related protection against breast cancer depends on length of gestation
title_short Pregnancy related protection against breast cancer depends on length of gestation
title_sort pregnancy related protection against breast cancer depends on length of gestation
topic Epidemiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2364219/
https://www.ncbi.nlm.nih.gov/pubmed/12177796
http://dx.doi.org/10.1038/sj.bjc.6600453
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AT romundstadpr pregnancyrelatedprotectionagainstbreastcancerdependsonlengthofgestation
AT trichopoulosd pregnancyrelatedprotectionagainstbreastcancerdependsonlengthofgestation
AT skjærvenr pregnancyrelatedprotectionagainstbreastcancerdependsonlengthofgestation

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