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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does Nuchal Thickness Of 6.6 Mean At 25 Weeks?

Hi, may I answer your health queries right now ? Please type your query here...respected sir,am primi with 25 weaks now i have done scanning and in that left lateral ventricle measures 13.2 and rt lateral ventricle measures 9.4mm and nuchal thickness 6.6 and AFI is 9.94.. rest of the things are normal.. so what should i do? my lmp is 30/3/2010. and my age is 26. no history of abortions or any other disease.please help
posted on Thu, 13 Mar 2014
Twitter Tue, 29 Mar 2016 Answered on
Twitter Tue, 29 Mar 2016 Last reviewed on
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OBGYN,  's  Response
Hi there,
Welcome to HCM,

One sided enlarged ventricle and a slighty raised nuchal thickness, puts you at a slightly greater risk of chromosomal problems like Downs.
But do remember that it is only a screening method,ie., its just lets us know the risk but cannot tell for sure.

There are a number of factors to consider, your age at 26 years puts you at low risk. Have you done any first trimester screen for the Down or fetal problems and if done what were the values?

If they were normal then you are at low risk for any problems.

If you are extremely worried, you should get a fetal medicine opinion.

The AFI is not very low and need not concern you much.

Also follow up scan to know the size of ventricle needs to be done and it would be best done by a fetal medicine expert.

Do not worry.

Hope this helps.
Regards.
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What Does Nuchal Thickness Of 6.6 Mean At 25 Weeks?

Hi there, Welcome to HCM, One sided enlarged ventricle and a slighty raised nuchal thickness, puts you at a slightly greater risk of chromosomal problems like Downs. But do remember that it is only a screening method,ie., its just lets us know the risk but cannot tell for sure. There are a number of factors to consider, your age at 26 years puts you at low risk. Have you done any first trimester screen for the Down or fetal problems and if done what were the values? If they were normal then you are at low risk for any problems. If you are extremely worried, you should get a fetal medicine opinion. The AFI is not very low and need not concern you much. Also follow up scan to know the size of ventricle needs to be done and it would be best done by a fetal medicine expert. Do not worry. Hope this helps. Regards.