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"Birth Control Pill Raises Breast Cancer Risk"

"Birth Control Pill Raises Breast Cancer Risk"

From Karen Malec, (Coalition on Abortion/Breast Cancer)

Dear Friends:

The Chicago Tribune published an article on Monday, December 3, 2005 discussing a review of medical studies showing that the birth control pill raises breast cancer risk. The article, "Why isn't this study on the pill heeded?" by Dennis Byrne said that the review was published in the prestigious journal, Mayo Clinic Proceedings, in 2006, but journalists in the mainstream media have chosen to ignore it because the findings conflict with the feminist religious tenets that they hold so dear.

A link to the Chicago Tribune article appears in our "Abortion-Breast Cancer News Headlines" shown below.

Both the U.S. National Cancer Institute (NCI) and the World Health Organization admit that the birth control pill (also called oral contraceptives) in the combined form (estrogen plus progestin) is a carcinogen. [1,2]

Even so, the NCI's statements on its website about oral contraceptives are contradictory. On its Breast Cancer Prevention web pages, the NCI offers two versions - one for health professionals and the other for patients. On the Patient Version web page, the agency identifies combined oral contraceptives as a risk factor for breast cancer, but the NCI omits this crucial information on the Health Professional Version. [3,4]

Even though the agency admits that combined oral contraceptives are carcinogenic, the NCI has omitted combined oral contraceptives from its Breast Cancer Risk Assessment Tool, a tool used to calculate an individual's breast cancer risk. [5] That leaves many at-risk women and their doctors unaware of their vulnerability to the disease.

On its website, the NCI does not inform taxpayers about either of the major reviews of the medical studies in the New England Journal of Medicine and Mayo Clinic Proceedings that were published last year showing that use of oral contraceptives raise risk. [6,7]

The fact that combined oral contraceptives and combined hormone replacement therapy are accepted risk factors for breast cancer is an additional piece of evidence supporting the biological basis for an abortion-breast cancer link. Women are never exposed to more estrogen at one time than when they are carrying a normal pregnancy. Only the differentiation process, which takes place in the last months of a full term pregnancy, protects the mother from estrogen overexposure by maturing 85% of her breast lobules into cancer-resistant lobules. Abortion should be listed as risk factor in the NCI's Breast Cancer Risk Assessment Tool.

Hate mail is already pouring into Dennis Byrne's blog. Why not thank him for his courage in reporting the truth when so many journalists are reluctant to report these findings? His blog is:


Karen Malec
Coalition on Abortion/Breast Cancer


"Why isn't this study on the pill heeded?"

By Dennis Byrne
Chicago Tribune
December 3, 2007,0,3083867.story

1. Press Release No. 167, "IARC Monographs Programme Finds Combined Estrogen-Progestogen Contraceptives (the "pill") and Menopausal Therapy Are Carcinogenic to Humans," World Health Organization International Agency for Research on Cancer, July 29, 2005.
2. National Cancer Institute's Fact Sheet, "Oral Contraceptives and Cancer Risk: Questions and Answers," updated 5/4/06. Available at:
3. National Cancer Institute's web page, "Breast Cancer Prevention, Patient Version." Updated 10/5/07. Available at:
4. National Cancer Institute's web page, "Breast Cancer Prevention, Health Professional Version." Updated 9/13/07. Available at:
5. National Cancer Institute's web page, "Breast Cancer Risk Assessment Tool," Available at:
6. Kahlenborn C, Modugno F. Potter D, Severs W. Oral contraceptive use as a risk factor for premenopausal breast cancer: A meta-analysis. Mayo Clinic Proceedings 2006;81(10):1290-1302.
7. Yager JD et al. Estrogen Carcinogenesis in Breast Cancer. N Engl J Med 2006;354:270-82.
The Coalition on Abortion/Breast Cancer is an international women's organization founded to protect the health and save the lives of women by educating and providing information on abortion as a risk factor for breast cancer.

Tax-deductible, credit card donations can be made at Donations can be mailed to: the Coalition on Abortion/Breast Cancer, P.O. Box 957133, Hoffman Estates, IL 60195. The IRS recognizes the coalition as a 501(c)3 organization.

Coalition on Abortion/Breast Cancer

Breast Cancer Prevention Institute

Polycarp Research Institute


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