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Experts confirm abortifacient potential of morning-after pill
CNA ^ | May 25, 2007

Posted on 05/27/2007 10:43:18 PM PDT by

CNA STAFF, May 25, 2007 / 11:33 am (CNA).- The most recent scientific study on Levonorgestrel, the essential component of the “morning-after pill” or “emergency contraceptive,” confirms that the drug does indeed have a third effect on users, which consists in preventing the implantation of a fertilized ovum in the womb of the mother.

The promoters of the drug in Latin America, where most countries have laws against abortion, have argued that the there is no scientific basis for the “third effect,” and that therefore the drug should be legalized. Dr. Horacio Croxatto, professor at the Chilean Institute of Reproductive Medicine, said in 2006 that the morning-after pill “is not abortifacient because it only prevents pregnancy by stopping ovulation.”

Nevertheless, the most recent study (2007) by Doctors Mikolajczyk and Stanford of the Department of Medicine in Public Health of the University of Bielefeld (Germany) clearly indicates that the pill’s “real effect” includes mechanisms that prevent implantation.

Published by the magazine Fertility and Sterility, the study used data from multiple clinical studies with advanced mathematical models and concluded that if emergency contraception only inhibited ovulation its true effectiveness would only be in a range of 8-49 percent. If it acted before ovulation and if it inhibited ovulation completely, its true effectiveness would be between 16-90 percent. The rest of the pill’s effectiveness consists in its anti-implantation mechanisms, which cause an abortion.

TOPICS: Crime/Corruption; Culture/Society; Government; Politics/Elections
KEYWORDS: abortion; morningafterpill; murder; prolife

1 posted on 05/27/2007 10:43:23 PM PDT by
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To: Coleus; nickcarraway; narses; Mr. Silverback; Canticle_of_Deborah; TenthAmendmentChampion; ...
Pro-Life PING

Please FreepMail me if you want on or off my Pro-Life Ping List.

2 posted on 05/27/2007 10:44:11 PM PDT by (A Catholic Respect Life Curriculum is available at
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3 posted on 05/27/2007 10:45:13 PM PDT by (A Catholic Respect Life Curriculum is available at
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The only surprise is that they finally admitted it.

4 posted on 05/27/2007 11:02:42 PM PDT by MHGinTN (You've had life support. Promote life support for others.)
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To: jan in Colorado


5 posted on 05/27/2007 11:04:19 PM PDT by Gondring (I'll give up my right to die when hell freezes over my dead body!)
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Yes, and hopefully it will get big exposure.

IIRC Months ago you explained the narrow window of circumstances where it could be abortive? I guess this puts more weight on the Pro-Life communities claims.

I suspect the manufacturer and their accomplices could not buy off or somehow silence these two scientists. They don’t have a problem speaking the truth and exposed their scientific findings.

6 posted on 05/27/2007 11:49:07 PM PDT by (A Catholic Respect Life Curriculum is available at
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Actually, the manufacturers have been completely forthcoming with this information. It is stated clearly that the pill, as does birth control pills, prevents pregnancy by preventing ovulation, as well as causing changes in the uterine lining that prevent implantation. The manufacturers have never disputed that fact.

I am attempting to locate the actual study, as this article provides no information at all other than it was a mathematical model. The statistics used are also somewhat vague, as an effectiveness rate of 90% is much higher than those that I have seen for emergency contraception.

7 posted on 05/28/2007 12:38:45 PM PDT by ga medic
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To: ga medic
See this thread

It may have what you’re looking for below:

The abstract can be found at:

8 posted on 05/28/2007 3:13:38 PM PDT by (A Catholic Respect Life Curriculum is available at
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Thank you for the information. As I expected, because this was simply a mathematical modelling study, there isn’t any hard data to support it. In fact the conclusion of the study attributes the main cause of the discrepancy to an overstated effectiveness by the manufacturers.

I am interested in this subject, because there is very little data that supports either conclusion. Many fertilized eggs fail to implant, for a variety of naturally occuring reasons. It is hard to attribute it to one or the other. I have seen some evidence that the embryos are actually more likely to implant with emergency contraception. Not nearly enough to sway my opinion.

I take this very seriously because I am strongly pro-life. I do however, respect the pain and suffering caused by rape and by the potential that the rapist has impregnated his victim. The child should not be punished by the sins of the father. Abortion is unacceptable. But, what if plan b actually just prevented pregnancy. That would be a wonderful thing. I should say here that I do not agree that it should be used as a normal method of family planning.

As a paramedic, I have seen way too many times, the devastation of rape. I can only imagine the pain of carrying the child of the rapist. If I am going to prevent these victims the chance to avoid this horrific consequence, I want to make sure that there is truly the potential that the child is being aborted, not just prevented. The victim of the rape is innocent as well, and deserves protection too.

9 posted on 05/28/2007 4:46:27 PM PDT by ga medic
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To:; 4lifeandliberty; abigail2; AbsoluteGrace; afraidfortherepublic; Alamo-Girl; ...

Pro-Life/Pro-Baby ping!

Please FReepmail me if you would like to be added to, or removed from, the Pro-Life/Pro-Baby ping list...

10 posted on 05/28/2007 6:41:15 PM PDT by cgk (I don't see myself as a conservative. I see myself as a religious, right-wing, wacko extremist.)
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To: cgk

Thanks for the ping!

11 posted on 05/28/2007 8:46:21 PM PDT by Alamo-Girl
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To: ga medic;; Coleus; MHGinTN; Mr. Silverback

Actually, there is elegant experimental evidence in real women against any abortifacient action from Plan B. Math models can’t “prove” that real biopsies, ultrasounds, labs and exams are wrong.

I blogged on this “proof” last week:
And I have the actual articles, if anyone wants me to send them by email.

12 posted on 05/29/2007 7:44:13 PM PDT by hocndoc (
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To: hocndoc
Yes Doc,

Please send me the articles: and thanks.

Always good to see you, it’s been a while.

13 posted on 05/29/2007 9:57:31 PM PDT by (A Catholic Respect Life Curriculum is available at
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To: 2ndMostConservativeBrdMember; afraidfortherepublic; Alas; al_c; american colleen; annalex; ...


14 posted on 05/30/2007 3:54:38 PM PDT by Coleus (Pray for our Troops)
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To:; Coleus; narses; Pyro7480; ELS; Maeve

ping and BUMP!!!

15 posted on 05/31/2007 2:21:15 AM PDT by Siobhan (America without God is dead.)
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