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Can anyone help me with my screening results from 12 week bloods (photo attached)

5 replies

Curlywurly3 · 24/08/2022 13:53

I’ve had this come through but I don’t know what any of it means! Please help!

Can anyone help me with my screening results from 12 week bloods (photo attached)
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Skylark1990 · 24/08/2022 13:55

Not an expert but it looks like your risk for trisomy very low! X

Teenprobs · 24/08/2022 14:19

It means low risk, if you had had High risk you'd have been asked to come in for further tests. X

BearBibble · 24/08/2022 14:32

CRL is crown-rump length and NT is nuchal translucency. You can see on the little line chart next to CRL that your baby falls just below the 50th centile in terms of length. Normal nuchal translucency at 12 weeks is between 1.1 and 3. So both your baby's measurements are totally normal.

Papp-A measures a protein produced by the placenta, that indicates how well the placenta is working. Levels should be more than 0.5 so, again, your result is normal - basically suggests that your placenta is working well.

Then you have the risk of your baby having trisomy 21 (Downs Syndrome) or trisomy 18 or 13 (Edwards or Pataus Syndrome). The first figure - background risk - only takes into account your demographic info (probably age, weight, ethnicity). The second figure - adjusted risk - is more personal to you as it takes into account your demographic info as well as your baby's particular measurements, your blood results etc.
So you personally have a 1 in 3911 chance of the baby having Downs Syndrome and a less than 1 in 20000 chance of them having either Edwards or Pataus Syndrome.

The test isn't diagnostic - somebody has to be that 1 in however many - but the odds of it being you are very low.

BearBibble · 24/08/2022 14:34

Oh - my mistake. Just seen that the background risk doesn't take into account your weight or ethnicity, just your age.

Curlywurly3 · 24/08/2022 16:00

I couldn’t make sense of the PAPP-A and Mom numbers and I’ve seen people talking about them on here so I was a bit lost.

Thank you for your replies @Skylark1990 and @Teenprobs. @BearBibble you explained that really well thank you :) Looking forward to telling my family this weekend now x

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