| Titre : | Tubal Sterilization and Breast Cancer Incidence : Results From the Cancer Prevention Study II Nutrition Cohort and Meta-Analysis. (2013) |
| Auteurs : | Mia-M GAUDET ; Susan-M GAPSTUR ; . JUZHONG SUN ; Alpa-V PATEL ; Lauren-R TERAS |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 177, n° 6, 2013) |
| Pagination : | 492-499 |
| Langues: | Anglais |
| Mots-clés : | Cancer ; Stérilisation ; Sein ; Incidence ; Résultat ; Prévention santé ; Alimentation ; Nutrition ; Enquête cas témoin ; Epidémiologie |
| Résumé : | [BDSP. Notice produite par INIST-CNRS E7AmnR0x. Diffusion soumise à autorisation]. Tubal sterilization is a common form of contraception in the United States and is hypothesized to be associated with a lower risk of breast cancer. However, prior observational studies have reported inconsistent results. We investigated the association between tubal sterilization and breast cancer risk among 77,249 postmenopausal, cancer-free women in the Cancer Prevention Study II (CPS-II) Nutrition Cohort, enrolled in 21 states in the United States during 1992-1993. During 15 years of follow-up through June 30,2007,4,084 invasive breast cancer cases were diagnosed. Multivariable Cox proportional hazard regression was used to estimate hazard ratios and 95% confidence intervals. A meta-analysis including the CPS-II Nutrition Cohort results with other published results from 4 case-control studies and 3 prospective studies was conducted to provide a summary estimate for the association between tubal sterilization and breast cancer risk. In the CPS-II Nutrition Cohort, tubal sterilization was not associated with breast cancer incidence (multivariable-adjusted hazard ratio=1.08,95% confidence interval : 0.97,1.20). Associations stratified by year of tubal sterilization, age, and time since surgery were also null. The meta-analysis also found no association between tubal sterilization and breast cancer risk (odds ratio=0.97,95% confidence interval : 0.84,1.09). Tubal sterilization does not appear to be associated with breast cancer risk. |
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