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Henci GoerFind out what other moms-to-be are asking.  Join in the discussion with Henci Goer, an expert in obstetric research. If you would like to contact Henci outside of the Ask Henci forum, send an email to Goersitemail@aol.com.

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Reply To Topic Topic: 40.5 weeks - OB want's to induce tomorrow.
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Posted By Henci Goer, BA on 07 Jul 2008 03:34 PM

Unless there is a compelling medical reason to induce, I recommend waiting. Here are my reasons why:

  • The recommendation to induce routinely at 41 weeks is controversial. The main trial that supports it has major problems. I have done an analysis of it on the "When Research Is Flawed" section of this website.
  • The median length of pregnancy in 1st-time mothers who reach full term is 41 wks 1 day, meaning half of first-time mothers go into labor before 41 wks 1 day and the other half after this length of pregnancy. In other words, induction is being recommended for a healthy pregnancy in the middle of its normal range.

and most importantly,

  • Elective induction of labor, which this would be, is associated with an increase in cesarean surgery rates.

    Goer H, Sagady Leslie M, Romano A. Step 6: Does Not Routinely Employ Practices, Procedures Unsupported by Scientific Evidence. J Perinat Educ 2007;16(1):32S-64S. 

I would also be concerned about an ob--however low his cesarean surgery rate--who is already predicting a cesarean for you. There are any number of studies that show that what the care provider thinks about the woman's likelihood of cesarean affects judgment. You can see how this would play out: "Well, she's not going to deliver this baby vaginally anyway, so why not just get it over with, and I can go home." 

Of course, you don't know whether the new ob will think any differently, but at least you have a few more days to go into labor on your own. You are likely to do that. The same study that found that half the group of healthy 1st-time moms were still pregnant at 41 wks 1 day also found that only a few percent still hadn't had their babies by 42 wks.

And if you want your best shot at avoiding an unnecessary cesarean, you can't go wrong with Lamaze's "Six Care Practices that Support Normal Birth."

-- Henci

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