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Lactation Information and Discussion

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Subject:
Foramen ovale
From:
Sarah Reece-Stremtan <[log in to unmask]>
Reply To:
Lactation Information and Discussion <[log in to unmask]>
Date:
Thu, 17 Mar 2011 05:51:51 -0400
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text/plain
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The foramen ovale (hole in the atrial septum which allows for R -> L shunting in utero) remains open until around 3 months of age.  Even then, however, it may not ever close and I've read in many texts that about 30% of adults have a PFO.  Usually clinically insignificant unless somebody develops a venous thromboembolism which could slip through and cause an arterial stroke.

-Sarah Reece-Stremtan (pediatric anesthesiology fellow in Washington DC)

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