Study links birth control pill to increase in breast cancer risk

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Birth control pills linked to cancer Newer versions of the birth control pill carry a similar increased risk of breast cancer as earlier ones that were abandoned in the 1990s, a new study reveals.

Women taking modern formulations of the pill have a 20 percent increased risk of breast cancer compared with those who've never been on hormonal contraception, the study of almost 2 million Danish women found.

"The risk increases with increasing duration of use and persists for more than five years, if used for longer than five years," said study author Lina Morch, a senior epidemiologist with the University of Copenhagen in Denmark.

Still, experts cautioned that the absolute risk of breast cancer for any one woman on the Pill remains very low.

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