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Far-right Groups Botch Science on Abortion & Breast Cancer Email Print

A study from Oxford researchers was released this week that once again concluded that there is no data to support the claim from radical anti-choice activists that abortion (induced or spontaneous) causes breast cancer.

This research only further bolsters the arguments from the American Cancer Institute (a federally-funded branch of NIH), the Mayo Clinic, a US Congressional report and others that say there is conclusive evidence that there is no link between abortion and breast cancer.  But for some reason, the far-right Canadian website, LifeSite, was quick to write that this new research is flawed, and to reaffirm their claim that there is a link between abortion and breast cancer.  What on earth is going on here?  How can they keep making these claims?  Some people are inclined to think that it's just because they're so ideologically constrained that they can't see the science sitting right in front of them.  But if you read their article, you get an even more comical picture: they have absolutely no ability to logically evaluate the science, and (why is this typical of the far-right?) they will continue on message regardless of the research and regardless of how ridiculous they look.

So what did they say that's really so illogical?  I'll let them explain the basis of the debate first:

 

Two breast cancer risks are associated with abortion - the loss of the protective effect of a full term pregnancy (the universally recognized risk) and the independent link (the debated risk).  The study, Reeves et al., concerns only the second risk. The independent link addresses this question: Does the woman who has an abortion have a higher breast cancer risk than she would have had if she hadn't had that pregnancy?

By contrast, the first risk (omitted by Reeves et al.) has to do with this question: Does the woman who has an abortion have a greater risk than does the woman who has a full term pregnancy? Experts universally agree that the post-abortive woman does have a higher risk than does the woman who has a baby.

Professor Joel Brind, president of the Breast Cancer Prevention Institute, maintains that the methodology (of the most recent Oxford research) is "seriously flawed in the direction of covering up the (first) link."

     

Ok.  Verbal acrobatics there, I know.  What they're saying is this: there is a universally recognized protective effect against breast cancer from carrying a pregnancy to full term.  A protective effect.  That means that for a woman who has never been pregnant or for a woman who has an abortion, that they are both at greater risk for breast cancer than a mother who has carried a pregnancy to term.  But that is because of her full-term pregnancy, not because of their lack of one.  

What it also means, and what this recent research confirmed again, is that there is absolutely no causal relationship between abortion and breast cancer.  This recent research reaffirmed that the risk of developing breast cancer is exactly the same between women who never become pregnant and women who have abortions.

   

To put it another way, the only thing at stake here is lost "opportunity costs," to use economists' term.  A woman who carries a pregnancy to term enjoys a protective benefit against developing breast cancer, and a woman who has an abortion, be it a miscarriage or an induced abortion, does not enjoy the opportunity of that benefit.  But there is absolutely no research to suggest that having an abortion in any way causes breast cancer.  The risk of developing breast cancer does not increase from having an abortion, it decreases from having a baby.

 

That these radical activists are still trying to tow their old line reveals the utter lack of faithfulness to medicine and to the scientific method that undermines this and so many of their other claims.  Ideology comes first for them.  Period.  And they will apparently say anything at all to make it look like their ideological position is supported, even to the point of essentially lying to their readers (as they do in the quote above) by calling a lost benefit a "risk."  

This kind of bad science is being spread too often by these groups, and in ways that is seriously damaging public debate.  That damage that is being done not because bad research offers a contradictory point of view, but because it twists the facts received by the public and leaves them without a solid ground for their beliefs.  It's ridiculous, yes.  But it borders on being malicious too, considering that it's coming from medical professionals who have (likely, though nothing's certain here) been trained better and are aware of the errors they're making.  

 

Reposted from www.RHRealityCheck.orgwith permission.


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The Oxford study included both abortions and breast cancer diagnoses on women from various European nations up to the year 2000 -- but many women were over the age of 40 when abortion was legalized in the countries.

Therefore, many younger women with recent abortions were compared to older breast cancer patients who were too old to have been exposed to legal abortions during most of their fertile years.

The study contradicts numerous others that have shown induced abortions clearly increase the risk of contracting breast cancer.

Dr. Joel Brind, a professor at New York's Baruch College, points to the fact that breast cancer cases have risen 40 percent since abortion was made virtually unlimited in the 1973 Supreme Court case Roe v. Wade.

In 1996, Brind and other researchers conducted a synthesis of all the major studies done in the field to that time.

They concluded that women who had an abortion before their first term child had a 50% increased risk of developing breast cancer while women who had an abortion after their first child sustained a 30% increased risk.

In 2000, the British Royal College of Obstetricians and Gynaecologists in England wrote that "the Brind paper had no major methodological shortcomings and could not be disregarded."

Of the 41 studies which have been previously published, 29 show increased risk of breast cancer among women who have chosen abortion. According to the Breast Cancer Prevention Institute, some 16 of those studies are statistically significant.

In total, eight medical groups recognize an independent link between abortion and cancer, including the Association of American Physicians and Surgeons, which says the abortion-breast cancer link is "highly plausible."

Previous studies have also confirmed that carrying a pregnancy to term reduces the breast cancer risk.

Researchers at the German Cancer Research Center found a woman's risk of contracting breast cancer is lowered and the decrease is more substantial the more pregnancies a woman has had.

by sertelt on 10/20/2006 02:29:13 PM EST

For all readers, note first of all that Steve Ertelt runs a website called LifeNews.com and has even been criticized for misreporting by the right-wing blog The American View, whose motto is "God, Family, Republic."  Not only is he strongly biased toward Joel Brind's science, but he's also regarded as dishonest by others.

Second, Dr. Brind is not widely regarded as a credible source, and he has a pronounced agenda in his work that is both political and anti-choice.  See for example his letter to the Washington Post recently, in which he criticizes the Post for citing a report from Rep. Henry Waxman's office (D-CA) because it "relied mainly on the majority opinion of a 2003 'expert panel' of the National Cancer Institute."  If he can't trust the majority opinion from an expert panel from NCI, who can he trust?  Note that the minority opinion in the case was written by Brind himself.

Note further that Mr. Ertelt cites the "Association of American Physicians and Surgeons" and the "Breast Cancer Prevention Institute."  You'll note the the link to BCPI is the same link as above to Dr. Brind's aritle -- that's because BCPI is Dr. Brind's organization.  Hardly worth quoting them again.  And AAPS?  Sounds official, doesn't it?  Check out their website to see that they're not so much a medical organization as an oddball libertarian-sounding quasi-religious anti-"bureaucracy" group.  (They love referring to government as "the bureaucracy.")

Mr. Ertelt, Dr. Brind and others in their camp have become experts at sounding official and credible, but they have no basis for their arguments and rely on circular citations of each other's, and even their own, work.

This is not science.  It is the thinly-veiled rhetoric of ideological extremists.

For more, check out "Fact v. Fiction" on RH Reality Check to see their other claims debunked.

by RH Reality Check on 10/20/2006 06:46:24 PM EST

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You know you're doing something right when the full time operatives start sniffing in your wake.

The pro-compulsory childbirth trolls were all over the place today. Jill Stanek dutifully typed out her tired old anti-choice spam in a comment thread at AlterNet, just as Ertelt did here.

Next they'll be trotting out some cutting-edge research from that sterling biomedical ethicist, "Doctor" David Reardon.  ;-)

by moiv on 10/21/2006 01:24:00 AM EST

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