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1 in 75 chance of downs wrong to be positve?

(6 Posts)
saralou212 Fri 28-Mar-14 20:42:57

Hi, I posted on here about two weeks ago. I had a nt result of 5mm at my 10 week scan. I went for a follow up scan at 13+4 and got a reading of 3.4mm which I was told was just under the normal limit of 3.5mm.
I thought this was still quite high but the specialist didnt want to see me.
The sonographer said the baby had a strong heartbeat and seemed to be developing normally, which put me at ease a little.
I had a phone call yesterday from the hospital with my combined results. I got 1 in 75 chance of downs, which is better than I expected. She didnt give exact blood results but did say one was spot on and the other was .5 below normal.
I feel quite positve about these results even though I know alot of women would be terrified. Is this just me kidding myself ?
We've discussed having an amino but the risks of miscarriage are the same percentage risk as my baby having downs so we've chosen to wait and see how the20 week scan goes.
Has anyone had similar experiences?

sleepyhead Fri 28-Mar-14 20:46:02

I came back high risk from bloods and had an appointment to discuss the actual figure/next steps.

Dh & I decided that the (arbitrary) figure where we would be happy to just wait and see was 1:50, so 1:75 wouldn't have felt high risk to me.

As it was, it was in the 20s and we had an amnio (clear).

That sounds like a good result to me - I would feel positive too smile

mrsbug Fri 28-Mar-14 20:49:24

You have a 74 in 75 chance that the baby doesn't have downs - so of course you are right to be positive.

Good luck with the rest of your pregnancy smile

missmapp Fri 28-Mar-14 20:53:23

We had much shorter odds and were quite relaxed! I think it really depends on how you feel about ' being the one' We knew we would carry on with the pregnancy whatever, so didn't go for further testing with ds1 and were not filled with anxiety. However, I completely understand people who have the opposite view/feelings.

Also, we had a 'markers ' scan at 20 weeks with ds1 , where they looked for soft markers - not conclusive by any means, but gives you a bit more of an indicator.

Good luck with the rest of your pregnancy.

conorsrockers Fri 28-Mar-14 20:55:46

We had worse odds too. Didn't do the amino - he would have been perfect either way. As it turns out, he is now 11 - and did not have Down's syndrome. Good luck with the rest of your pregnancy smile

mewkins Fri 28-Mar-14 21:00:18

I had 1 in 85 (scan was fine but high hgc levels affected the result). We decided on a Harmony test as I didn't want to risk a miscarriage, having had a previous miscarriage. Was reassured at the scan and the blood were sent off and came back 1:10000 which is the result they give you. It was worth it for peace of mind though horrible waiting over Christmas for the results.

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