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What do the NT scan and double marker reports indicate?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hi doctor,

I am 12 weeks 3 days pregnant. I got my NT scan and double marker blood test results. NT value 1.7 mm at CRL of 52.6 mm, free beta hCG 1.29 MOM, PAPP-A 0.37 MOM, trisomy 21+NT risk 1:513, trisomy 21 1:214 and trisomy 13/18+NT. What is your opinion?

Answered by Dr. Sameer Kumar

Hello,

Welcome to icliniq.com.

The NT value (nuchal translucency) is normal as it is less than 2.5 mm, but the overall trisomy 21 risks being 1:214 and together risk 1:513 . This ideally calls for a quadruple test after one week. If the cut-off bar in the graph is over the cut-off line, then it calls for NACE testing (non-invasive prenatal test). It is a substitute for amniocentesis to karyotype the fetal cells to conclusively confirm or rule out Down's syndrome in the pregnancy. Please attach the picture of the report for evaluation.

Patient's Query

Hi doctor,

I have attached the report for your reference.

Answered by Dr. Sameer Kumar

Hello,

Welcome back to icliniq.com.

The graph is clearly below the cut-off line (attachment removed to protect patient identity) and hence, low risk for trisomies and no need for NACE.

Answered byDr. Sameer Kumar

Medically reviewed byiCliniq medical review team

Published At April 29, 2017
Reviewed AtMay 10, 2024

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Sameer Kumar
Dr. Sameer Kumar

Obstetrics and Gynecology

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