C. Blayo, Le point sur l " avortement en France. Population et Société, Institut National d, Etudes Démographiques, vol.325, pp.1-5, 1997.

P. Mauvais-jarvis, G. Schaison, and P. Touraine, Médecine de la reproduction, 3rd éd. Médecine Sciences: Flammarion France, 1997.

J. Russo and I. Russo, Biology of disease: Biological and molecular bases of mammary carcinogenesis, Lab Invest, vol.57, pp.112-149, 1987.

M. Lambe, C. Hsieh, D. Trichopoulos, A. Ekbom, M. Pavia et al., Transient Increase in the Risk of Breast Cancer after Giving Birth, New England Journal of Medicine, vol.331, issue.1, pp.5-9, 1994.
DOI : 10.1056/NEJM199407073310102

N. Kroman, J. Wohlfahrt, K. Andersen, H. Mouridsen, T. Westergaard et al., Parity, age at first childbirth and the prognosis of primary breast cancer, British Journal of Cancer, vol.78, issue.11, pp.1529-1562, 1998.
DOI : 10.1038/bjc.1998.718

Q. Liu, J. Wuu, M. Lambe, S. Hsieh, A. Ekbom et al., Transient increase in breast cancer risk after giving birth: postpartum period with the highest risk (Sweden), Cancer Causes and Control, vol.13, issue.4, pp.299-305, 2002.
DOI : 10.1023/A:1015287208222

P. Wingo, K. Newsome, J. Marks, E. Calle, and S. Parker, The risk of breast cancer following spontaneous or induced abortion, Cancer Causes and Control, vol.8, issue.1, pp.93-108, 1997.
DOI : 10.1023/A:1018443507512

K. Michels and W. Willett, Does Induced or Spontaneous Abortion Affect the Risk of Breast Cancer?, Epidemiology, vol.7, issue.5, pp.521-529, 1996.
DOI : 10.1097/00001648-199609000-00013

J. Brind, V. Chinchilli, W. Severs, and J. Summy-long, Induced abortion as an independent risk factor for breast cancer: a comprehensive review and meta-analysis., Journal of Epidemiology & Community Health, vol.50, issue.5, pp.481-96, 1996.
DOI : 10.1136/jech.50.5.481

M. Melbye, J. Wohlfart, J. Olsen, M. Frisch, T. Westergaard et al., Induced Abortion and the Risk of Breast Cancer, New England Journal of Medicine, vol.336, issue.2, pp.81-85, 1997.
DOI : 10.1056/NEJM199701093360201

D. Lazovich, J. Thompson, P. Mink, T. Sellers, and K. Anderson, Induced Abortion and Breast Cancer Risk, Epidemiology, vol.11, issue.1, pp.76-80, 2000.
DOI : 10.1097/00001648-200001000-00016

M. Tang, N. Weiss, and K. Malone, Induced Abortion in Relation to Breast Cancer among Parous Women: A Birth Certificate Registry Study, Epidemiology, vol.11, issue.2, pp.177-80, 2000.
DOI : 10.1097/00001648-200003000-00016

M. Goldacre, L. Kurina, V. Seagroatt, and D. Yeates, Abortion and breast cancer: a case-control record linkage study, Journal of Epidemiology & Community Health, vol.55, issue.5, pp.336-343, 2001.
DOI : 10.1136/jech.55.5.336

M. Sanderson, X. Shu, J. F. Dai, Q. Wen, W. Hua et al., Abortion history and breast cancer risk: Results from the Shanghai breast cancer study, International Journal of Cancer, vol.116, issue.6, pp.899-905, 2001.
DOI : 10.1002/ijc.1263

P. Newcomb and M. Mandelson, A record-based evaluation of induced abortion and breast cancer risk (United States), Cancer Causes and Control, vol.11, issue.9, pp.777-81, 2000.
DOI : 10.1023/A:1008980804706

F. Fioretti, A. Tavani, C. Bosetti, L. Vecchia, C. Negri et al., Risk factors for breast cancer in nulliparous women, British Journal of Cancer, vol.8, issue.11-12, pp.1923-1931, 1999.
DOI : 10.1038/sj.bjc.6690306

J. Palmer, L. Rosenberg, R. Rao, A. Zauber, B. Strom et al., Induced and spontaneous abortion in relation to risk of breast cancer (United States), Cancer Causes and Control, vol.8, issue.6, pp.841-850, 1997.
DOI : 10.1023/A:1018408211089

T. Davidson, Abortion and breast cancer: a hard decision made harder, The Lancet Oncology, vol.2, issue.12, pp.756-764, 2001.
DOI : 10.1016/S1470-2045(01)00591-5

F. Clavel-chapelon, E3N, a French cohort study on cancer risk factors, Eur J Cancer Prev, vol.6, pp.473-481, 1997.

E. Riboli, Nutrition and cancer: Background and rationale of the European Prospective Investigation into Cancer and Nutrition (EPIC), Annals of Oncology, vol.3, issue.10, pp.783-91, 1992.
DOI : 10.1093/oxfordjournals.annonc.a058097

D. Commenges, L. Letenneur, P. Joly, A. Alioum, and J. Dartigues, Modelling age-specific risk: application to dementia, Statistics in Medicine, vol.17, issue.17, pp.1973-88, 1998.
DOI : 10.1002/(SICI)1097-0258(19980915)17:17<1973::AID-SIM892>3.0.CO;2-5

F. Clavel-chapelon, Differential effects of reproductive factors on the risk of pre- and postmenopausal breast cancer. Results from a large cohort of French women, British Journal of Cancer, vol.8, issue.5, pp.723-730, 2002.
DOI : 10.1038/sj.bjc.6600124

URL : https://hal.archives-ouvertes.fr/inserm-00174582

F. Clavel-chapelon and M. Gerber, Reproductive Factors and Breast Cancer Risk. Do They Differ According to Age at Diagnosis?, Breast Cancer Research and Treatment, vol.6, issue.2, pp.107-122
DOI : 10.1023/A:1014891216621

URL : https://hal.archives-ouvertes.fr/inserm-00920375

M. Tang, N. Weiss, J. Daling, and K. Malone, Case-Control Differences in the Reliability of Reporting a History of Induced Abortion, American Journal of Epidemiology, vol.151, issue.12, pp.1139-1182, 2000.
DOI : 10.1093/oxfordjournals.aje.a010163

J. Daling, L. Brinton, L. Voigt, N. Weiss, R. Coates et al., Risk of Breast Cancer among White Women following Induced Abortion, American Journal of Epidemiology, vol.144, issue.4, pp.373-80, 1996.
DOI : 10.1093/oxfordjournals.aje.a008938

K. Michels, C. Hsieh, D. Trichopoulos, and W. Willett, Abortion and breast cancer risk in seven countries, Cancer Causes and Control, vol.5, issue.639, pp.75-82, 1995.
DOI : 10.1007/BF00051683

O. Hadjimichael, C. Boyle, and J. Meigs, Abortion before first livebirth and risk of breast cancer, British Journal of Cancer, vol.53, issue.2, pp.281-285, 1986.
DOI : 10.1038/bjc.1986.46

E. Calle, C. Mervis, P. Wingo, M. Thun, C. Rodriguez et al., Spontaneous abortion and risk of fatal breast cancer in a prospective cohort of United States women, Cancer Causes and Control, vol.44, issue.5, pp.460-468, 1995.
DOI : 10.1007/BF00052187

T. Sellers, J. Potter, J. Severson, R. Bostnick, C. Nelson et al., Difficulty becoming pregnant and family history as interactive risk factors for postmenopausal breast cancer: the Iowa Women's Health Study, Cancer Causes and Control, vol.32, issue.1, pp.21-29, 1993.
DOI : 10.1007/BF00051710

L. Watier, S. Richardson, and D. Hemon, Accounting for Pregnancy Dependence in Epidemiologic Studies of Reproductive Outcomes, Epidemiology, vol.8, issue.6, pp.629-665, 1997.
DOI : 10.1097/00001648-199710000-00003

V. Chaudru, A. Laing, G. Dunston, L. Adams-campbell, R. Williams et al., Interactions between genetic and reproductive factors in breast cancer risk in a population-based sample of African-American families, Genetic Epidemiology, vol.22, issue.4, pp.285-97, 2002.
DOI : 10.1002/gepi.0171

N. Andrieu, F. Clavel, B. Gairard, L. Piana, A. Bremond et al., Familial risk of breast cancer and abortion, Cancer Detect Prev, vol.18, pp.51-56, 1994.

M. Melbye, J. Wohlfahrt, A. Andersen, T. Westergaard, and P. Andersen, Preterm delivery and risk of breast cancer, British Journal of Cancer, vol.80, issue.3-4, pp.609-622, 1999.
DOI : 10.1038/sj.bjc.6690399

C. Hsieh, J. Wuu, M. Lambe, D. Trichopoulos, H. Adami et al., Delivery of premature newborns and maternal breast-cancer risk, The Lancet, vol.353, issue.9160, p.1239, 1999.
DOI : 10.1016/S0140-6736(99)00477-8