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Re: CX U/SFrom: Mary C. Scarboro (case@mediaone.net)Wed Dec 3 22:54:27 1997
Wayne, I see that you have an interest in cervical u/s so I wonder if I could pose aquestion or two to you or any list member regarding this exam PTD risks. When reporting a cx length with +/- beaking, how is the amount or degree of effacement reported? Example: mod beaking and 10mm cx (closed portion) or assumes a total length of ...say 20-40mm. Then we may say mild beaking and 10mm cx (mild being < 25%) assumes a total length of 13-14mm. I imagine the trimester/hx/mult. gest/LUS ctx/softening/DES/operator experience/dynamic change... influence the risk, but how can and should these variables be factored in to predict risk of PTD? I still like the old 30% risk of PTD w/beaking at <30wks. Maybe this was Romero...? I don't have references with me, but I think it seems to hold true as a general rule from my experience. Mary C. S.
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