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NT scan measured 2.6mm
Too close for comfort?


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21 replies to this topic

#1 raky

Posted 18 April 2011 - 01:12 PM

Hi all
woould love your opinion on my results for the NT scan.

My bub measured 2.6mm - would you get amnio or cvs to make sure or would you be happy with the result?

my chance of having a downs bub was 1:3755

TIA Kylie

#2 Angelina Ballerina

Posted 18 April 2011 - 01:16 PM

The risk result is still very very low.
But it really depends on whether this is going to stress you out for the rest of the pregnancy.
If you think it will, then a good amnio result might save you a lot of worry.
Have a chat to your doctor about your concerns

#3 Carrie B

Posted 18 April 2011 - 02:41 PM

Your result is quite low risk so it's purely up to you if you want further testing.

#4 charlie23

Posted 18 April 2011 - 02:44 PM

If they were able to see if the nasal bone was present then I would not opt for a CVS / Amnio with a 1:3755 risk factor.

#5 julz78

Posted 18 April 2011 - 02:50 PM

I had this exact same measurement with dd2, with my bloods and age taken into consideration my ratio was 1: 900ish which was still considered low risk. I didn't consider amnio/cvs because I found the risks of these much higher than that of having a ds baby and I don't think I could terminate anyway. You result is even better than mine and I would be very happy with it. I now have a happy healthy 7 week old baby girl sitting on  my lap so don't regret my decision original.gif

#6 AnotherFeral

Posted 18 April 2011 - 02:55 PM

No I wouldn't. 1:3755 is a great result.

#7 bubs1

Posted 18 April 2011 - 03:00 PM

My measurement was 3.29mm and my risk is 1:1745. The risk is still much much lower than the risk of doing an amnio or cvs, so I've opted not to do it. The genetic councellor was totally happy with the result though and said I'm low risk. Maybe speak to the genetic councellor and see what they think about it.

#8 jules77

Posted 18 April 2011 - 03:00 PM

The risks involved with further testing is actually higher than the risk of having a child with DS.

Don't just take the NT measurement on it's own as an indicator for DS - that's why the BT's are done as well.

My bub had a NT measurement of 2.9mm and with the combined BT, this amounted to a risk of around 1:400.

This was still considered a low risk and my OB recommended no further testing.

My healthy and happy 19mth old is the result!



#9 BabyHopeful

Posted 18 April 2011 - 03:19 PM

DS2 had a NT of 5.4mm with a risk of 1:30. We opted to have a CVS done which came back all clear.

With your risk ratio I wouldn't have a CVS, and would only have an amnio if you feel you need it to put your mind at ease.

HTH

#10 busy_bee

Posted 18 April 2011 - 03:26 PM

Our NT measured 3.2mm.......OB said while 'a little high' he doesn't get 'too concerned' until over 3.5mm + with other blood tests.

As it turned out with the blood tests even with the NT at 3.2 the risks were less than the age based risks anyway (can't remember actual number).

Does your results give this info? ie a basline line 'age based risk of 1:xyz' and then your actual risk based on bloods/NT of 1:abc?

You may find that your risk is lower than the age based average risk anyway



#11 TheSmithFamily

Posted 18 April 2011 - 06:33 PM


Hi there,

It is a difficult decision to make and one that only you and your partner can make. I also think a lot lies in what you would do with those results as such.

With my daughter I had a risk factor of 1:99 with a 3.2 measurement.

This time I had a 1.8 fold and a 1:375 risk.

I chose an amnio first time but this time did not as it was not recommended.

Bron


Hi there,

It is a difficult decision to make and one that only you and your partner can make. I also think a lot lies in what you would do with those results as such.

With my daughter I had a risk factor of 1:99 with a 3.2 measurement.

This time I had a 1.8 fold and a 1:375 risk.

I chose an amnio first time but this time did not as it was not recommended.

Bron

#12 Minimouse27

Posted 18 April 2011 - 08:00 PM

Hi OP

What gestation are you at? I remember at our NT (we were 13w3d) we got a fold of 2.3mm and the doc/sonographer person said it was fine. He said the "upper" end of normal was 2.8mm, so your fold of 2.6mm is within normal. I think your odds are great, which take into account the bloods also :-)

Of course, it's a decision between you and your partner ultimately...

ETA- Pregnancy brain! I just saw your ticker. Definitely with your gestation (13w4d) you would expect a bigger fold than someone at 11w6d for example, so I think you are definitely well within normal original.gif

Edited by ninack, 18 April 2011 - 08:02 PM.


#13 pitzinoodles

Posted 18 April 2011 - 08:03 PM

Just another way of looking at it...
Your risk is 1:3755 the risk of cvs is 1:50 so if everyone with that risk had a cvs over 70 would lose a normal baby and 1 would find out they had a baby with downs.

If you opt for amnio the risk is 1:200 so following the same logic 18 would lose a normal baby and 1 would have downs.

Just another way of looking at the same numbers.

Good luck with your decision

#14 baby*girl

Posted 18 April 2011 - 08:06 PM

I would not. However, I would be quite happy to have and raise a DS child.  

Good luck with your decision

#15 Soontobegran

Posted 18 April 2011 - 08:46 PM

2.6mm is within the normal range of Nuchal folds and combined with your great numbers I do not think you should worry at all.
Lots of good luck original.gif

#16 BabyHopeful

Posted 19 April 2011 - 07:12 AM

QUOTE (pitzinoodles @ 18/04/2011, 08:03 PM) <{POST_SNAPBACK}>
Just another way of looking at it...
Your risk is 1:3755 the risk of cvs is 1:50 so if everyone with that risk had a cvs over 70 would lose a normal baby and 1 would find out they had a baby with downs.

If you opt for amnio the risk is 1:200 so following the same logic 18 would lose a normal baby and 1 would have downs.

Just another way of looking at the same numbers.

Good luck with your decision


Not sure whare you got this information but I have never heard those odds for a CVS before!  What a load of crap!  The risk is generally stated as 1:100 for a CVS but it depends where you go, most have a much less risk ratio.

#17 city*reader

Posted 19 April 2011 - 07:25 AM

I've heard CVS is 1:50 too.  Maybe different places give a different risk as I've also heard 1:100.  But then I've heard everything from 1:100 to 1:200 or even less for amnio.  I don't think an exact risk factor can be given for those... a lot of it depends on skill and experience of the person doing it.

#18 pitzinoodles

Posted 19 April 2011 - 02:26 PM

QUOTE
Not sure whare you got this information but I have never heard those odds for a CVS before! What a load of crap! The risk is generally stated as 1:100 for a CVS but it depends where you go, most have a much less risk ratio.
QUOTE


And where do you get your information from?

#19 Soontobegran

Posted 20 April 2011 - 12:15 AM

The risk of CVS is 1:100-200, definitely not 1:50.

#20 the4rugrats

Posted 20 April 2011 - 04:07 AM

Like pps have said, further testing depends on what you want to do with the results, and is this something you will stress over for the rest of the pregnancy. That's something only you and your partner can decide.  If I got those odds (which are better than mine were) I wouldn't worry.
As for me I was considered low risk, NF 2.0mm, 1-550ish, ultrasound normal, nasal bone present, I wasnt given an option for further testing or knew anything about it either.... DD2 has down syndrome (and no way on this earth would I want her any differently shes my delight!). This time I have chosen not to do any testing, no NT, no amnio or CSV I will not abort regardless of results. So for me it would have been pointless having them done (not to mention the money it costs) as DH and I are both happy with whatever the outcome will be.

Edited by the4rugrats, 20 April 2011 - 07:23 PM.


#21 lr4

Posted 20 April 2011 - 04:52 AM

My sons measurement was the same I was told high risk for chromosomal abnormalities 1:200 and low risk for down syndrome 1:5000. I did have the amnio and it come back fine.

#22 rnflorenzo

Posted 20 April 2011 - 05:00 AM

My risk was 1:516 my sons measurement was 3.0. I didn't get any testing done and all came out clear.




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