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Coalition on Abortion/Breast Cancer P.O. Box 152, Palos Heights, IL 60463 response@abortionbreastcancer.com www.AbortionBreastCancer.com 1-877-803-0102
Press Release Contact: Karen Malec For Immediate Release Date: July 2, 2004
British Journal of Cancer: Legal Abortions Are "Best Predictor of British Breast Cancer Trends"
The Coalition on Abortion/Breast Cancer notes a report in the British Journal of Cancer (BJC) concerning a presentation in Manchester on "Trends and Risk Factors in English Breast Cancer." It shows that legally induced abortion is the best predictor of British breast cancer trends. [1]
The author, Patrick Carroll, director of research at the London based Pension and Population Research Institute, presented his findings this week at the British Cancer Research Meeting 2004 in Manchester.
The presentation included three graphs showing disease trends for birth cohorts of English women and corresponding incidence of breast cancer within ages 50 to 54.
Graph #1 (Graphs can be found by clicking here)shows that incidence and mortality rates climb with social class, unlike other cancers where the lower social classes show the higher incidence. This reverse gradient is becoming steeper.
Graph #2 (Graphs can be found by clicking here)demonstrates that the incidence of breast cancer among all English women in successive birth cohorts is correlated with the parallel abortion rate.
Graph #3 (Graphs can be found by clicking here)reveals that the increasing incidence of nulliparous abortions - abortions before first full term pregnancy (FFTP) - among women passing age 50 implies a further increase in cancer incidence and an increase among upper class women who have more nulliparous abortions. Abortions before FFTP are more common among upper class women, resulting in a higher risk.
Carroll said fertility was a useful predictor of breast cancer trends, but other recognized risk factors by themselves don't explain British trends as well as nulliparous abortion does.
Carroll's research is free of "recall bias," a hypothetical problem used by some scientists to disparage the abortion-breast cancer (ABC) link. Despite evidence that recall bias is non-existent [2-7], proponents argue that breast cancer patients are more likely to accurately report their abortions than are healthy women. Carroll used national data reporting breast cancers and abortions in England and Wales. England & Wales are unusual in having good registration of breast cancers and legal abortions. Nearly all are captured by official statistics.
Carroll says nulliparous abortions are "highly carcinogenic." Researchers have found that only one mechanism matures breast tissue into cancer-resistant tissue - a third trimester process in pregnancy called "differentiation." [8,9,10]
Carroll's earlier research gave forecasts for the increased numbers of English breast cancers anticipated in future years using mathematical models where abortion and fertility were the explanatory variables. [11]
"Women are dying because scientists have covered up evidence of an abortion-breast cancer link for 47 years, said Karen Malec, president of the coalition. "It's time to tell women the truth."
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.
References:
1. "Trends and Risk Factors in English Breast Cancers." British Journal of Cancer. Vol 91 Supplement 1 July 2004 page S24.
2. Watanabe H, Hirayama T. Epidemiology and clinical aspects of breast cancer. Nippon Rinsho 1968;26:1843-9 (in Japanese).
3. Howe HL, et al. Early abortion and breast cancer risk among women under age 40. Int J Epidemiol 1989;18:300-4.
4. Lindefors-Harris B-M, et al. Response bias in a case-control study: analysis utilizing comparative data concerning legal abortions from two independent Swedish studies. Am J Epidemiol 1991;134:1003-8.
5. Meirik O, et al. Letter re: Relation between induced abortion and breast cancer. J Epidemiol Community Health 1998;52:209-12.
6. Daling JR, et al. Risk of breast cancer among young women: relationship to induced abortion. J Natl Cancer Inst 1994;86:1584-92.
7. Lipworth L, et al. Abortion and the risk of breast cancer: a case-control study in Greece. Int J Cancer 1995;61:181-4.
8. Russo J., et al. Expression of phenotypical changes by human breast epithelial cells treated with carcinogens in vitro. Cancer Res 1988;48:2837-2857.
9. Russo J., et al. Development of the human mammary gland. In Neville MD, Daniel C (ed). The Mammary Gland, Plenum, NY 1987:67-93.
10. Russo J, et al. Chapter 1. Developmental Cellular and Molecular Basis of Human Breast Cancer. J Natl Cancer Inst Monogr 2000; 27:17-37.
11. Carroll P. Pregnancy Related Risk Factors in Female Breast Cancer Incidence. International Congress of Actuaries, Transactions (2002) 4:331-75.
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