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Re: Early indication of risk of Trisomy 21 via nucal scan?From: Harvey S. Marchbein, M.D. (anonymous@obgyn.net)Mon, 13 Sep 1999 15:59:02 -0500 (CDT)
At Sat, 11 Sep 1999, Lucy wrote: > >A 36 y/o friend here in UK (who was pregnant after IVF and therefore was >reluctant to face the risk of loss of baby after amnio) had a nucal scan >at 10 weeks (I think) to indicate likelihood of Down's. She was well >informed about the low reliability of the test but came back with a risk >figure of 1 in 750 and therefore decided to do without the amnio. I'm >38 and am trying for my first, having had a myomectomy last September. >My friend points out that early booking for nucal scan is essential in >UK because not many people do it, so I'm trying to educate myself in >advance in case I want to call it in. My search of your database came >up with no matches for "nucal". What is known about this (admittedly >low reliability) early test? > >-- >Lucy > The first trimester nuchal scan is being combined with blood tests here in the USA (serum prenancy protein and inhibin) to elevate the accuracy of the scan. It is being studied at many centers to get more reliable statistics.
-- Harvey S. Marchbein, M.D. FACOG, FACS Great Neck, New York
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