Investigating NFP: The Great Embryo Killer? (Part I)

Thisentryis part 1 of 4 in the NFP: The Great Embryo Killer?

"If all of Alcorn’s 780 million pill users were to switch to the rhythm method, then these converts would be causing, in his own words, the deaths not of tens of thousands, but of millions of unborn children."

Bovens has pulled a switcheroo here. Alcorn referred to "780 pill cycles per year", not 780 million pill users. I hate to drag out the old 28-day cycle myth, but since we don't know how long each pill user's cycle would normally be, we have to guess based on averages. So, a 28-day cycle works out to about 13 cycles per woman per year. That works out to 60 million pill users per year, not 780 million.

Alcorn states that if even .01% of the 780 pill cycles per annum involves chemical , the result could be 78,000 chemically induced abortions. What I do not know, and the FDA do not say, is how often emergency (EC) acts by preventing implantation. Perhaps one of my astute readers can help out with some statistics. My instincts tell me that EC acts as an abortifacient more often that the Pill, since it is not taken in time to affect cervical mucus consistency and it will not always be taken in time to prevent ovulation. Then again, Bovens demonstrates well how wrong instincts can be. Dr. Whitty takes issue with using the .01% figure at all.

The article’s use of Alcorn is open to question. He proposed an “infinitesmal” small proportion (0.01%) of pill-use cycles resulting in a conception lost due to pill use, to provide a minimum statistic for purposes of illustration and contrast. Bovens takes Alcorn’s minimal estimate and uses it as if it were fact in regard to embryo loss on the combined oral contraceptive pill, so that his supposed “loss” with use of the rhythm method seems huge by comparison. What is known is that older formulations of the pill allowed breakthrough ovulation in 2-10% , (4,5) or 4.7% (6) of cycles, and about 27 cycles per 100 women per year in later studies (7). Progesterone preparations have higher ovulation rates, and the IUD still higher. Recording or calculating a ‘conception and loss rate’ for these cycles is another matter.

Having used what he believes to be sound reasoning to implicate in avoidable embryo deaths, Bovens then entertains some possible responses. Since there's little actual reasoning in his arguments, I'd just as soon skip his charicatures of rebuttals. However, since they involve subtle changes to his arguments and could easily stand on their own, I'll briefly address them, if only to highlight his slight of hand.

Read Part II of "The Great Embryo Killer?"

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Funky Dung

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Comments 3

  1. Tom Smith wrote:

    Kind of messy argumentation for a philosophy professor.

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    Posted 31 May 2006 at 5:24 pm
  2. Tom Smith wrote:

    Actually, this guy probably isn't a real philosopher. He didn't talk about an "embryo qua embryo," or describe his argument as "mutatis mutandis, standing," or discuss how the argument is "apodictic, a fortiori." He didn't talk about how the "entelechy-enabling abient behavior, ex hypothesi," is "formally rooted in essence." Clearly, not only is this man not a philosopher, but he is a poor arguer, inter alia. Cetris paribus, this guy sucks.

    Sorry, I couldn't resist an opportunity to bash philoso-babble.

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    Posted 01 Jun 2006 at 10:37 am
  3. Bryan Davis wrote:

    Thanks for the link to your dissection of Boven's article. It is definitely the best response I have seen thus far.

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    Posted 07 Jun 2006 at 3:45 pm

Trackbacks & Pingbacks 10

  1. From Parableman on 31 May 2006 at 8:14 pm Christian Carnival CXXIV…

    Welcome to the 124th Christian Carnival. If you don't know what the Christian Carnival is, see my plug for this week's carnival (and the links therein). This week's carnival progresses through the scriptures, with each post assigned to a different b…
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  3. From Ales Rarus - A Rare Bird, A Strange Duck, One Funky Blog » Investigating NFP: The Great Embryo Killer? (Part II) on 06 Jun 2006 at 7:06 pm [...] Investigating NFP: The Great Embryo Killer? [...]
  4. From Ales Rarus - A Rare Bird, A Strange Duck, One Funky Blog » Bovens’ Bovine Excrement on 06 Jun 2006 at 7:15 pm [...] Investigating NFP: The Great Embryo Killer? (Part I) [...]
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  6. From Brain Cramps for God on 05 Jul 2006 at 1:24 am The Bible Archive looks at the "The Condition of Man"For those with a philosophic bent, Brian at ChristianThinker.net recommends "The Analytic Theist: An Alvin Plantinga Reader"Funky Dung at Ales Rarus is "Investigating NFP [Natural Family Planning]: The Great Embryo Killer?"Brendt from Musings of Two-Sheds Gomer continues his "Lies That Will Kill You" series with "Only One Flavor of Fear"Dave Taylor looks at the difference between a believer and a disciple in "Second Thoughts on Making Disciples: What Difference Does it
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  8. From Majikthise : The fertile fringe: Rhythm method criticised as a killer of embryos on 27 Mar 2007 at 11:57 pm [...] » Investigating NFP: The Great Embryo Killer? from Ales Rarus [Errors in my arguments were fixed and additional material was added after initial publication. - Funky] St. Blogs Parish will soon be all aflutter with news that Luc Bovens, a professor of philosophy at the London School of Economics, has writ… [Read More] [...]
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