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Re: Low Lying placenta vs. Placenta previaFrom: William McIntosh, MD (anonymous@obgyn.net)Tue, 24 Apr 2001 10:48:24 -0500 (CDT)
At Tue, 24 Apr 2001, anonymous@obgyn.net wrote: > >At my last sono i was told my placenta was low not covering the cervix >but touching the edge. My Dr said this is placenta previa? i thought >previa was the placenta actually partially covering or totally covering >the cervix. I have another sono in 2 weeks to check to see if it moved. >I was 17.2 weeks at my first. > >Thanks! The problem is that you are not able to tell for sure at 17 weeks if the edge is beside the cervical os (low-lying placenta), over the edge just a bit (marginal placental previa) or fully across (placenta previa). Remember the cervical os is only 1cm across. This is really a spectrum, and later U/S should help to define where on that spectrum you fall.
-- William D. McIntosh, MD, FACOG
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