Authors/years) | Reference | Study Design | Population | Sample Size | Control Group | Outcomes Measures | Main Conclusion |
---|---|---|---|---|---|---|---|
Schrijver LH. 2018 | JNCI Canc Spectr | Cohort Study | BRCA1/2 mutation carriers | 9839 | yes | Oral contraceptive use | No association between this use and BC risk |
Lee E. 2008 | Canc Epi Biom Prev | Population based study | BRCA1/2 mutation carriers | 1469 | yes | Oral contraceptive use | No association between this use and BC risk |
Narod SA. 2002 | J Cell Biol | Case control study | BRCA1/2 mutation carriers | 1311 | yes | Oral contraceptive use | Increase BC risk only in BRCA 1 women who used oral contraceptive before 30 years. |