Tuesday, June 12, 2007

No Link Between Abortion and Breast Cancer

At least three US states require by law that women considering an abortion should be told it will raise their risk of breast cancer, and anti-abortion groups are lobbying hard for this requirement to be extended to other states.

Against this background, the US national Cancer Institute (NCI) convened a workshop of over 100 of the world's leading experts to review all available data. The meeting concluded that many of the studies which had suggested a link were flawed, often because women with breast cancer were more likely to report having had an abortion in their search for an explanation of their disease.

However, a Danish study of 1.5 million women, published in 1997, is often considered the definitive study and it found no association between abortion and breast cancer. Although anti-abortionists called the workshop's conclusion 'an overstatement', the NCI clearly states that 'having an abortion or miscarriage does not increase a woman's subsequent risk of developing cancer'.

1. NCI. 30 May 2003 http://cis.nci.nih.gov/fact/3_75.htm

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