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Breast cancer risk in relation to abortion: Results from the EPIC study

Reeves, Gillian K. ; Kan, Sau-Wan ; Key, Tim ; Tjonneland, Anne ; Olsen, Anja ; Overvad, Kim ; Peeters, Petra H. ; Clavel-Chapelon, Francoise ; Paoletti, Xavier and Berrino, Franco , et al. (2006) In International Journal of Cancer 119(7). p.1741-1745
Abstract
The role of spontaneous and induced abortion on breast cancer risk is examined among 267,361 women recruited into the European Prospective Investigation into Cancer and nutrition between 1992 and 2000. The data were collected from 20 centers, across 9 countries, and included information on a total of 4,805 women with breast cancer, of whom 1,657 reported having ever had any type of abortion. Overall, the relative risk of breast cancer in women who reported ever having had a spontaneous abortion was not significantly elevated when compared with women who reported never having had such an abortion (RR = 1.07, 95 % CI = 0.99-1.14). However, there was some evidence of a slight increase in the risk of breast cancer among women who reported... (More)
The role of spontaneous and induced abortion on breast cancer risk is examined among 267,361 women recruited into the European Prospective Investigation into Cancer and nutrition between 1992 and 2000. The data were collected from 20 centers, across 9 countries, and included information on a total of 4,805 women with breast cancer, of whom 1,657 reported having ever had any type of abortion. Overall, the relative risk of breast cancer in women who reported ever having had a spontaneous abortion was not significantly elevated when compared with women who reported never having had such an abortion (RR = 1.07, 95 % CI = 0.99-1.14). However, there was some evidence of a slight increase in the risk of breast cancer among women who reported having had 2 or more spontaneous abortions (1.20,1.07-1.35). The relative risk of breast cancer among women who reported ever having had an induced abortion when compared to women who reported never having had an induced abortion was 0.95 (0.87-1.03). Overall, the findings provide further unbiased evidence of the lack of an adverse effect of induced abortion on breast cancer risk. (c) 2006 Wiley-Liss, Inc. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
recall bias, induced abortion, breast cancer, spontaneous abortion, prospective data
in
International Journal of Cancer
volume
119
issue
7
pages
1741 - 1745
publisher
John Wiley & Sons Inc.
external identifiers
  • pmid:16646050
  • wos:000240046000034
  • scopus:33747479473
ISSN
0020-7136
DOI
10.1002/ijc.22001
language
English
LU publication?
yes
id
7c47052b-2d7f-4bad-a6a6-b475c6b2b4e3 (old id 395121)
date added to LUP
2016-04-01 11:59:54
date last changed
2022-01-26 21:17:23
@article{7c47052b-2d7f-4bad-a6a6-b475c6b2b4e3,
  abstract     = {{The role of spontaneous and induced abortion on breast cancer risk is examined among 267,361 women recruited into the European Prospective Investigation into Cancer and nutrition between 1992 and 2000. The data were collected from 20 centers, across 9 countries, and included information on a total of 4,805 women with breast cancer, of whom 1,657 reported having ever had any type of abortion. Overall, the relative risk of breast cancer in women who reported ever having had a spontaneous abortion was not significantly elevated when compared with women who reported never having had such an abortion (RR = 1.07, 95 % CI = 0.99-1.14). However, there was some evidence of a slight increase in the risk of breast cancer among women who reported having had 2 or more spontaneous abortions (1.20,1.07-1.35). The relative risk of breast cancer among women who reported ever having had an induced abortion when compared to women who reported never having had an induced abortion was 0.95 (0.87-1.03). Overall, the findings provide further unbiased evidence of the lack of an adverse effect of induced abortion on breast cancer risk. (c) 2006 Wiley-Liss, Inc.}},
  author       = {{Reeves, Gillian K. and Kan, Sau-Wan and Key, Tim and Tjonneland, Anne and Olsen, Anja and Overvad, Kim and Peeters, Petra H. and Clavel-Chapelon, Francoise and Paoletti, Xavier and Berrino, Franco and Krogh, Vittorio and Palli, Domenico and Tumino, Rosario and Panico, Salvatore and Vineis, Paulo and Gonzalez, Carlos A. and Ardanaz, Eva and Martinez, Carmen and Amiano, Pilar and Quiros, Jose R. and Tormo, Maria R. and Khaw, Kay-Tee and Trichopoulou, Antonia and Psaltopoulou, Theodora and Kalaothaki, Victoria and Nagel, Gabriele and Chang-Claude, Jenny and Boeing, Heiner and Lahmann, Petra H. and Wirfält, Elisabet and Kaaks, Rudolf and Riboli, Elio}},
  issn         = {{0020-7136}},
  keywords     = {{recall bias; induced abortion; breast cancer; spontaneous abortion; prospective data}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{1741--1745}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{International Journal of Cancer}},
  title        = {{Breast cancer risk in relation to abortion: Results from the EPIC study}},
  url          = {{http://dx.doi.org/10.1002/ijc.22001}},
  doi          = {{10.1002/ijc.22001}},
  volume       = {{119}},
  year         = {{2006}},
}