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the claim
The combined birth control pill is associated with a reduced risk of ovarian and endometrial cancers.
the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against
Is it true that the combined birth control pill is associated with a reduced risk of ovarian and endometrial cancers?
Yes. The use of combined oral contraceptive pills is well-documented in medical literature to be associated with a reduced risk of developing both ovarian and endometrial cancers.
Verdict: SUPPORTED · 3 sources for, 0 against · Last checked
The analysis
The claim is specific and empirically verifiable. Retrieved papers 0, 3, and 5 consistently state that combined oral contraceptives or hormonal contraceptives reduce the risk of ovarian and endometrial cancers. There are no papers refuting this relationship. Therefore, the balance of evidence fully supports the claim.
Evidence for · 3
Identifies the use of oral contraceptives as a key reproductive factor associated with ovarian cancer risk reduction.
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R, L., A, Z., M, L., L, L., B, L., & H, Z. (2026). Global epidemiology of ovarian cancer: patterns, trends, and risk factors.. doi.org. https://doi.org/10.20892/j.issn.2095-3941.2025.0619
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More for · 2
Notes that the long-term use of combined oral contraceptives is highly effective in reducing ovarian cancer risk, even among high-risk groups, and provides protective effects against endometrial cancer.
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U, L. R. M., M, V., M, K., V, C., E, S., P, V., F, R., & P, V. (2026). Endometriosis and ovarian cancer: epidemiological evidence, molecular insights, and clinical decision-making.. doi.org. https://doi.org/10.1093/humupd/dmag011
States that hormonal contraceptives lower the risks of ovarian and endometrial cancers through ovulation suppression and menstruation modulation.
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NJ, P. & W, Y. (2026). An evolutionary medicine perspective on the design of non-hormonal contraceptives for women.. doi.org. https://doi.org/10.1093/emph/eoag008
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