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Re: 20 weeks scan checksFrom: Tanya (anonymous@obgyn.net)Wed, 14 May 2003 10:20:47 -0500 (CDT)
Marc, it is possible that it would, but not at all reliable. I just met with a genetic counselor after a DETAILED (level 2) ultrasound that was looking specifically for D/S markers (prior to amnio). She said that, although no D/S markers were found, my odds of having a Downs Syndromw baby were about the same as before the ultrasound. She said that only about 50% of actual Down Syndrome babies ever show any possible markers. She indicated that ultrasound was not very effective at all in identifying D/S, although it is very helpful in indentifying Trisomy 18 and Open Neural Tube defects. The only way that you will know for sure is birth or amnio. Best wishes...T.
At Wed, 14 May 2003, Marc wrote:
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