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AandB 
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Joined: 19 February 2008
Location: Auckland Region
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 Topic: Nuchal Scan Results
Posted: 02 April 2008 at 3:34pm |
Hi there - I am 30 years old, and I had my Nuchal Scan yesterday, where the neck fold was measured at 3.4mm, so my estimated risk of the baby having downs has gone to 1:28. They are advising bloods and an amnio - which I understand can lead to miscarriage. Is anyone else out there in the same boat?? 
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catie
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Posted: 02 April 2008 at 3:52pm |
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Hi
The NT test depends a bit on the skill level of the person doing it. You could ask to have a CVS, which actually has a higher miscarriage risk (1;50 - 1;100; 1:100 for amnio) but you can have it done a bit earlier - 11 - 13 weeks, as opposed to 16-18 weeks for amnio, if that's a concern. These are both diagnostic tests - they tell you whether it really is a problem, rather than giving you a risk ratio. The blood tests just give you a risk ratio, and there's a possibility of false positives with them, so even if you get a bad result from that, it doesn't necessarily mean your baby has DS.
Fingers crossed.
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KiwiL
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Joined: 29 December 2006
Location: Wellington, NZ
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Posted: 02 April 2008 at 4:39pm |
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My boss had an amnio at 13 weeks, just the other day?
The miscarriage rate for the amnio is less than 1%. I guess the question that you have to ask is what you would do if you found out if were positive? That can help make the decision on whether or not you even want the procedure.
On the plus side, odds of 1:28 still give you a 96% chance that your baby is going to be completely healthy.
Good luck with what you decide!!
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emz
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Posted: 02 April 2008 at 4:56pm |
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Like Kiwilaurie said, would you actually terminate the pregnancy if the test came back positive for downs? If not and you're worrying about amnio causing miscarriage, then I guess you could just not have it?
A lady at work had a scan and the bones for the little fingers weren't visible which is also a sign of downs, but has decided against amnio as they want the baby whether or not its downs and are just preparing for it to be and will deal with it if its not.
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peanut butter
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Posted: 02 April 2008 at 8:41pm |
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Can you get a maternal serum test or something like that. I think thats just a blood test which gives you another ratio
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JD
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Posted: 02 April 2008 at 10:11pm |
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I am 29 and got a 1:18 chance of a downs baby. My measurements were pretty similar to yours and at first I was quite upset about it. I forgot to ask more questions when the MW first told me...so I didn't know what to compare the measurement to. The next time I saw her I did ask and she said that at 7 - 9 mm she would be concerend.
I discussed it with DH and both decided that even if it did have downs we would still keep it and love it the same so there was no point in more testing as we didn't want to be pressured into terminating if the results were positive.
Most downs babies have heart defects as well and tend to be smaller, so the 20 week scan would have picked that up and given us time to come to terms with what we were in for.
I guess it depends on what you will do with the information once you get it from more testing.
My SIL is 20 and also got a fairly high result from the NT.
I had a healthy baby boy 8 weeks ago and she had a healthy baby girl a day later. Neither of us had further testing.
Try not to worry...I did for a couple of weeks, then it slowly left my mind until I had him. If you are stressing about it, then it will be bad on the baby.
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Maya
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Posted: 03 April 2008 at 1:05pm |
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I'd probably say have the serum screening (blood test) done first and then if the results are still high, consider whether you want to have the CVS or the amnio. I had serum screening with this bub as it happened to be routine at the place where I had my NT scan done, and it adjusted my odds from 1:900 to 1:14,000 so a huge difference.
If you look under Antenatal Testing in the Pregnancy section of the main OHbaby! site there is an article written by our consultant OB on the different types of tests and their accuracy/risks.
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Orca1
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Posted: 03 April 2008 at 2:32pm |
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I am 36 and I had the NT scan and blood test and I was given a ratio of 1:23 so we decided to have the amnio done.
Its a personal decision and you have to do what feels right for you. My DH and I changed our minds on a daily basis in the week running up to the procedure being done. We had decided that we wouldn't terminate if there was something wrong but we felt we wanted to be as prepared as we could be before our baby's arrival and luckily our tests came back to say everything was fine.
If you have any questions about the procedure feel free to PM me.
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Rowena
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Posted: 03 April 2008 at 4:59pm |
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I am 38 and had a 1:7 chance. We went ahead and had the amnio its scary but I thing its best to know. The risk of miscarriage is 1:300 and I have been told if you make sure you rest afterwards there is even less chance.
Our results were fine and we are now expecting a healthy boy.
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AmmaS
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Posted: 15 July 2008 at 10:42am |
It is true that the scan is dependent on the skill level of the person donig the ultrasound examination.
Check that the person scanning has got the required accreditation to do the test and that the radiology practice is operating within the guidelines set by the Nuchal screening body (London Fetal medicine foundation) and that of the NZ government (ministry of health requirements).
Each sonographer undergoes a 6 monthly audit to keep their accreditation. Legally no one other than these people should be analysing your Nuchal screening results. Nor should they be calculated by a secondary unit.
I guess with any prenatal testing gather all the information, be well informed and prepared for the result you get.
Ask for proof of licence to practice. Keeps us all safe and keeps the test real.
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Roksana
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Posted: 15 July 2008 at 11:36am |
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I havent had one but of of the Due in Dec mum had an amnio and her showed that she had a healthy baby and also found out that it was a boy!! She said it wasnt painful and quick and easy!!
Good luck with the pregnancy!!
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Natalie_G
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Posted: 15 July 2008 at 1:39pm |
AandB sorry to hear about your delima, I hope eveything works out for you and bubs.
I have no advice im afraid I had low risk results. But my thoughts are with you. Keep us updated. 
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SarahP08
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Posted: 15 July 2008 at 1:58pm |
I'm 32, didn't have a nuchal fold test or any other test, wasn't told about them or given the option. Although if I had been I probably wouldn't have had one anyway.
So for me its wait and see 
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ElfsMum
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Posted: 15 July 2008 at 2:04pm |
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sarah? you weren't offered it at the 12 week scan? or did you not have one?most people just have an NT scan out of wanting to see the baby:) and of course out of wanting to know aobut the NT.
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Mum to two amazing boys!
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SarahP08
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Posted: 15 July 2008 at 3:16pm |
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I wasn't offered a 12 week scan...
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kiwigal
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Posted: 15 July 2008 at 3:37pm |
I just turned 37 with this baby and my odds were 1:917 and my specialist said because the odds are good but because of my age she wanted me to have the blood test done and it came back at 1:6500 so I was very happy with that.
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kezplanet
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Posted: 15 July 2008 at 4:10pm |
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I will be having a NT scan also, I am almost 39 so would like to know what is going on in there, if only to be informed. Good luck with your decision
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Kerryn, Mum to
Ashlyn(29/3/04), Anastasia(1/11/05) & Abigail (24/02/09)
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AnnC
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Posted: 15 July 2008 at 7:36pm |
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I was 33 when pregnant with Rhyley and didn't get offered a NT scan
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Ann
Also Mum to Josh (15) and Brooke (10)
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AliaDawn
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Posted: 15 July 2008 at 7:39pm |
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I'm 19 and I was offered a nuchal scan... wasn't offered one with Seb though at 17. I guess it really does depend on your LMC... (or doc?)
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Jay_R
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Posted: 16 July 2008 at 9:27am |
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What??? You weren't offered a 12 week scan??? What kind of pre-natal care are you receiving? Did you have the anatomy scan at 18-20 weeks?
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Nuchal Scan Results
