Plan B: Literature Review (Part I)


  1. Croxatto HB, Devoto L, Durand M, Ezcurra E, Larrea F, Nagle C, Ortiz ME, Vantman D, Vega M, von Hertzen H. Mechanism of action of hormonal preparations used for emergency contraception: a review of the literature. Contraception 2001;63(3):111-121.
  2. Durand M, del Carmen Cravioto M, Raymond EG, Duran-Sanchez O, De la Luz Cruz-Hinojosa M, Castell-Rodriguez A, Schiavon R, Larrea F. On the mechanisms of action of short-term levonorgestrel administration in emergency contraception. Contraception 2001;64(4):227-234.
  3. Kahlenborn C, Stanford JB, Larimore WL. Postfertilization effect of hormonal emergency contraception. Ann Pharmacother 2002;36(3):465-470.
  4. Müller AL, Llados CM, Croxatto HB. Postcoital treatment with levonorgestrel does not disrupt postfertilization events in the rat. Contraception 2003;67(5):415-419.
  5. Gemzell-Danielsson K, Marions L. Mechanisms of action of mifepristone and levonorgestrel when used for emergency contraception. Hum Reprod Update 2004;10(4):341-348.
  6. Ortiz ME, Ortiz RE, Fuentes MA, Parraguez VH, Croxatto HB. Post-coital administration of levonorgestrel does not interfere with post-fertilization events in the new-world monkey Cebus apella. Hum Reprod 2004;19(6):1352-1356.

Comments 4

  1. Rob wrote:

    Incredible. You’ve done an excellent job, better than I think I could have done.

    Thank you. I look forward to more.

    Posted 17 Sep 2006 at 11:47 pm
  2. Xavier wrote:

    What a knotty problem. Thanks for trying to look into.

    Posted 18 Sep 2006 at 3:39 am
  3. Funky Dung wrote:

    To those viewing this post on September 19:

    For the duration of the day, all of the posts on this blog will appear to have been written by a pirate. Everything will go back to normal at the end of the day.

    Posted 19 Sep 2006 at 12:06 am
  4. Lightwave wrote:

    An excellent detail oriented review of the available research. This should be a particularly useful resource for all those on the internet who would like to understand the meaning and appropriate application of these studies.

    Might I suggest meta tags, etc. that would help folks looking for the layman’s read on these studies to find this?

    Posted 06 Oct 2006 at 2:08 pm

Trackbacks & Pingbacks 4

  1. From just another day of Catholic pondering on 19 Sep 2006 at 9:53 am

    (something he knows as well as we do is not true); then it doesn’t matter if abortion is legal. He even quotes the USCCB! SFO Mom writes “Morning/Mourning,” reflections on a morning spent praying outside an abortion mill. Ales Rarus posts”Plan B: Literature Review (Part I).” In order to satisfy my own curiosity and my critics,I’ve reviewed recent scientific literature related to the question ofwhether or or not Plan B is abortifacient. This post is the first of several planned installments.

  2. From Lux Venit on 16 Sep 2006 at 4:43 am

    it, he takes a look past the Moslem controversy to discover the crux of The Pope’s message, to The West: The need for a philosophical revolution which reconciles faith with reason. Ales Rarus, in order to satisfy his own curiosity and his critics, has investigated the recent scientific literature regarding Plan B. Is it abortifacient? This is the first of a series of posts. First we go downstairs to warm up with a walk around the track and a quick stretch. We’ll discuss our goals and how to stay focused. Patricia at

  3. From Plan B: Literature Review (Part II) @ Ales Rarus on 23 Oct 2006 at 11:15 am

    […] The first post in this series can be found here. […]

  4. From Ross Douthat (September 07, 2007) - The Morning After (Culture Wars) on 07 Sep 2007 at 4:35 pm

    […] For the curious, here are a pair of studies that suggest that Plan B does not, in fact, have an abortifacient affect. And you can find a more in-depth look at the subject from a pro-life blogger here. […]

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