Advisory Board March 24, 2023
Anew study published Tuesday in PLOS Medicine found that different forms of hormonal birth control containing estrogen, progestin, or a combination of both are associated with a slight increase in breast cancer risk.
Study details and key findings
Until recently, birth control research primarily centered on the combination pill containing both estrogen and progestin since it was the main oral contraceptive available on the market.
Now, there are a variety of progestin-only options available. The authors conducted the study to learn more about the effect modern hormonal birth control offerings have on breast cancer risk, merging their results with those of 12 previous studies to “bring together the totality of the available evidence.”
For the study, researchers conducted a meta-analysis...
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