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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does nuchal fold in fetus at 19 weeks cause Downs syndrome?

Hi my name is sarah I have a few questions. At 19 weeks I was told my son had a nuchal fold of 5.1mm and that I was at high risk for down syndrome. I had my blood taking to see if my child bad any abnormalities and everything came back fine. I jus had another ultrasound done at 23 weeks and they told my son had to much fluid in his kidneys. I was told that was another soft maker. What are my chances of having a baby with down syndrome? I m 22 and my son had a nasal bone at my 19 week check up.
Thu, 10 Oct 2019
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Pediatrician 's  Response
Hi,

Nasal bone is not confirmatory. If suspicion of downs is present, get an amniocentesis and karyotyping. If it is suggestive of 21 trisomy, it is confirmed Down’s syndrome. After that, you have to get yourself and partner checked for balance translocation to avoid in the next pregnancy.

Hope I have answered your query. Let me know if I can assist you further.

Regards,
Dr. Prasanna Lakshmi, Pediatrician
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