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R: FIRST and FASTER Trials for Genetic Markers in First TrimesterFrom: Andrea Corda (acord@tin.it)Sat May 5 04:34:31 2001
Dear Sally, in reply: 1)Yes-there are Downs that don't have cardiac or vascular defects-it's a syndrome 2)NT test alone up to now,has shown a 75% PPV. 3)A combination of NT,PAPP-A and free B-HCG raises this level to 90%. Andrea CordaMD
> ----- Original Message ----- http://www.obgyn.net/avtranscripts/aium2000_benacerraf.htm Have you noticed a combination of a thin nuchal translucency (ie. 0.8mm) with a low PAPP A and high HCG screening test, having an outcome of a Down's baby? Is it possible for a Down's fetus to have such a thin nuchal translucency and if so, what is the value of the test when such a variation is possible? Thankyou in advance for replying to my email. Sally Woodhead, Midwife,RN, Sydney, Australia
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