Re: Question about low lying placentas

From: DoctorJoe@aol.com
Fri Apr 27 00:21:17 2007


In a message dated 4/27/07 12:17:29 AM, GIN11153@aol.com writes:

> On a midwifery listserv I am on, someone said that she has a patient who
> had a placenta 3cm from the os at 33/34 weeks and a month later, it had
> migrated on it's own to 8cm from the os. Isn't that impossible at a late stage of
> pregnancy?
>

Only if you fall for the "migrates on its own" myth. The placenta doesn't have pseudopods to enable it to crawl up the uterine wall. The lower uterine segment, esp. nearer you get to term, develops and lengthens on its own, such that it puts more distance between the os and the placenta. The placenta stays where it is -- mostly.

Joe P.





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