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vol.72 número2ACTIVIDAD DE LA GLUTATIÓN REDUCTASA EN EL EMBARAZO DIABÉTICOESTERILIZACIÓN TUBARIA POR CULDOTOMÍA: SERIE DE CASOS índice de autoresíndice de materiabúsqueda de artículos
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Revista chilena de obstetricia y ginecología

versión impresa ISSN 0048-766Xversión On-line ISSN 0717-7526

Resumen

LEAL F, José; VARGAS S, Francisco  y  TALADRIZ R, Cristián. ¿SON LOS ANTICONCEPTIVOS ORALES UN FACTOR DE RIESGO PARA EL DESARROLLO DE CÁNCER DE MAMA?. Rev. chil. obstet. ginecol. [online]. 2007, vol.72, n.2, pp.89-95. ISSN 0048-766X.  http://dx.doi.org/10.4067/S0717-75262007000200004.

Background: One of the most controversial associations regarding the use of oral contraceptives has been the possibility of increasing risk of developing breast cancer. Objective: To determine if the available evidence supports that association. Methods: We analyzed 5 articles of a total of 12 that were reviewed. We used the levels of evidence and grades of recommendation of the Oxford-Centre for Evidence-Based Medicine. Results: We were able to infer that, based on the available evidence, the use of oral contraceptives correlates with an elevated risk of developing breast cancer during and after ending it's use. This risk equals that of the non users after 10 years post cessation of use. This association would be independent of the amount of years the contraceptives were used but would be correlated with the amount of estrogen that they contain. Conclusion: New studies that evaluate the new contraceptive formulations must be undergone when their users reach the age of highest incidence of breast cancer (40-60 years)

Palabras clave : Oral contraceptives; breast cancer; risk.

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