thread: NT measurements

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  1. #1
    Registered User
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    Mar 2006
    Penrith/Kingswood/Orchard Hills....
    1,147

    NT measurements

    Does anyone know what the categories are for NT measurements? At what measurement does HIGH risk begin? (blood tests results aside)

    xxxx

  2. #2
    Registered User

    Oct 2007
    Middle Victoria
    8,924

    it depends on the time (what week gestation) that the scan is done. i will find the chart and come back.

  3. #3
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    Mar 2006
    Penrith/Kingswood/Orchard Hills....
    1,147

    Thanks Kate. I had mine yesterday and was 13 weeks Monday just gone. My results came back 2.32mm although she had trouble getting a good view as babeee was moving all over the place. She also got another measurement as low as 1.62mm and a few in between. She said that result alone puts in my at high risk but just waiting on bt results which i should get today.

  4. #4
    Registered User

    Jan 2009
    Perth
    276

    over about 2.5mm is not a good sign. after about 12-13 weeks the measurement starts to get smaller so that is why you have to have it done then (if you choose to get it done at all) but you do have to put them with the blood test results and other markers for an overall risk figure. did you have your nuchal thickness measured already? hth x

    sorry i just read you got between 1.62 and 2.32, that does seem ok, but still needs to be put with the rest of your tests for an overall risk figure. and although your sonographer was trying to be helpful with the one in ten comment, i don't think that nuchal would be any where near a one in ten risk on it's own.
    Last edited by scarypinkfairy; April 1st, 2010 at 08:37 PM. : missed posters updated post :)

  5. #5

    May 2008
    Melbourne, Vic
    8,631

    FWIW - DD's NT measurement was between 6 and 7mm and she is now a perfectly happy, normal, healthy one year old.

    My next bubba's measurement was around 2mm I think and the sonographer was much much happier with that. Obviously me and DH produce babes with thick necks!

    Try not to stress too much about it until you get all the results back (incl. the BT, did you have that?).

  6. #6
    2013 BellyBelly RAK Recipient.

    Apr 2009
    3,750

    I wouldn't say thats a thick fold. I have seen them up around 5mm and 6mm which have been the bubs affected by an abnormality. I thought anything over about 3mm was getting up in the high risk group but as Kate07 said it depends on gestation. Plus the risk is going to be given along with the BT and if you don't have both then its not going to be accurate.