Re: Nuchal fold thickness

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I will be 39 at delivery so looked up information on nuchal fold thickness when I had my level 2 u/s at 13 weeks. If you go to http://www.DOGPILE.COM and enter NUCHAL FOLD DOWN there is alot of information on the statistics, risks, and reliability of this measurement. The first document stated a risk 18 times that for maternal age with a measurement of 4mm. I think your maternal age risk is about 1:200 to 1:250.... I saw a table somewhere... so your age risk is .5% and then adjusted based on the data in the document would be about 9%.

I have seen several posts on this web site from women who had the same thing happen and their baby's did not end up having Down's SYndrome. There is also some controversy about the reliability of the measurement and it's ability to detect Down's. One thing I noticed is that the most reliable detection is done by the experienced specialists (perinatalogist) - they also have the best stats on amnio complication rates (lower). I really hope everything goes well for you and your baby - it looks like the odds are still in your favor.

At Wed, 27 Jun 2001, Chris wrote: >
>I am 35 years old and lost my first child at term 4 mos ago to unknown
>causes (did chromo tests). I am currently 10.5 weeks. At 6 weeks, ny
>hCG started to drop so we expected a miscariage, but it hasn't happened.
>The baby is growing normally and the heartrate is normal. However, a
>u/s yesterday showed a nuchal fold thickness of 4 mm. My doctor said
>that is way too high, so we are scheduled for an early amnio in 3 weeks.
>Have my chances of Down's just soared? What are the percentages based on
>my age and the thickness? I am terrified of losing another child!
250

--
SarahB

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