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Doctor insights on: Nuchal Translucency Screening Test Results

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What is nuchal translucency screening?

What is nuchal translucency screening?

Nuchal Translucency: Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information.

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Dr. Qamar Khan
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Screening (Definition)

Examples are: colonoscopy for colon polyp or cancer; mammograms for breast lesions or cancer; psa a blood test that could indicate enlargement of cancerous prostate tissue; blood sugar or hemoglobin a! c for diabetes. Many think that scanning the whole body will pick up a cancer--in all likelihood, it will not. There also is no good blood test, yet, ...Read more


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Nuchal translucency screening, what is this?

Nuchal translucency screening, what is this?

Nuchal Translucency: Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information.

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Do I need to get nuchal translucency screening?

Do I need to get nuchal translucency screening?

It is highly recomme: Recommended as it is the standard of care! It will help identify that your fetus has no problems and you will also need a fetal anatomy scan at 20 weeks to make sure everything is ok, I am sure it will be, but if it is not then you have options and your OB can better manage you either way.

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Where can I find out about nuchal translucency screening?

You doctor: Your ob/gyn can explain that to you. It is safe and effective, but it is not available everywhere and is not considered the standard of care for pregnancy surveillance.

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Nuchal translucency screen, how is this used?

Nuchal translucency screen, how is this used?

Nuchal Translucency: Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information.

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What is a nuchal translucency test?

What is a nuchal translucency test?

Nuchal Translucency: Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information.

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I'm 11w3d pregnant, I refused to have nuchal translucency test. If baby had down I would keep it anyway. My ob/gyn was so perplexed. Am I wrong?

I'm 11w3d pregnant, I refused to have nuchal translucency test. If baby had down I would keep it anyway. My ob/gyn was so perplexed. Am I wrong?

No: Such testing is really about how much you want to know. Occasionally, the results of such testing can have management implications, usually not. As a rule, I avoid doing testing if I don't know what I'm going to do with the results. Sounds to me like you're one step ahead regarding the non-significance of the results. Good luck.

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Is it possible that the nuchal translucency (ips) ultrasound be performed at 8-9 weeks?

Is it possible that the nuchal translucency (ips) ultrasound be performed at 8-9 weeks?

Nuchal translucency: The nuchal translucency test is standardized to 11 -13 6/7 weeks. The crown rump measurement of the fetus must be 45 - 84 mm.

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28 years old, nuchal translucency with blood showed trisomy 18 risk 1:1300. Dr said it's fine, but I'm worried. Does this seem high?

28 years old, nuchal translucency with blood showed trisomy 18 risk 1:1300. Dr said it's fine, but I'm worried. Does this seem high?

Trisomy 18 risk: A result of 1:1300 indicates that in 1300 pregnancies with the exact same test results, only one of them will result in a child with trisomy 18. This is approximately a 0.08% chance of trisomy 18. This result gives a higher chance than the best risk group (less than 1:10, 000) but still reflects a low likelihood of trisomy 18.

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Nuchal translucency measured 2mm and blood work came back very low risk of trisomy 21 and 18 (less than 1/10000). Do I need any other testing done?

Nuchal translucency measured 2mm and blood work came back very low risk of trisomy 21 and 18 (less than 1/10000). Do I need any other testing done?

Talk to OB: There are various other tests that can be done if you are concerned. These would include amniocentesis. I would talk to your OB for a full discussion of the risks and benefits before trying other tests.

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How do they measure nuchal translucency?

How do they measure nuchal translucency?

Ultrasound: Nuchal translucency (nt) is typically measured between weeks 11 and 14. The sonographer measures the thickness of the tissues of the back of the fetal neck. After the image is magnified, calipers are placed along the inner margin of the tissues of the neck.

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Nuchal translucency scan at 4.4mm. What does this mean?

Nuchal translucency scan at 4.4mm. What does this mean?

Nuchal Translucency: Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information.

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What is the definition or description of: ultrasound for nuchal translucency?

What is the definition or description of: ultrasound for nuchal translucency?

Nuchal Translucency: Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information.

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Ultrasound at 12 weeks showed nuchal translucency was 4mm. What does this mean?

Ultrasound at 12 weeks showed nuchal translucency was 4mm. What does this mean?

Nuchal Translucency: Nuchal Translucency is a screening test to determine risk of chromosome abnormalities in a fetus. When the NT is greater than 3.5 mm, there is a 1 in 5 chance of a chromosome abnormality such as Turner or Down syndrome, or Trisomy 18. Additional tests should be ordered by an OB or genetic counselor for confirmation. A mother may decide to continue or end of the pregnancy based on the information.

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Just had 28 week scan. Doc is a bit worried about nuchal translucency of 1.05cm. Fl 5.62cm, bpd 7.09cm, ofd 9.08cm, hc 25.8cm, AC 24.32cm?

Just had 28 week scan. Doc is a bit worried about nuchal translucency of 1.05cm. Fl 5.62cm, bpd 7.09cm, ofd 9.08cm, hc 25.8cm, AC 24.32cm?

Average measurements: For 28 weeks in millimeters with one standard deviation in brackets are: 72 (4.0) bpd 95 (5.0) ofd 263 (20) hc 242 (25) ac 54 (4.0) fl 50 (5.0) hl, so all of yours are okay. Nuchal translucency ; nuchal thickness are usually measured the first ; second trimesters. I thought fetal head ; neck position could alter nt measurement in 3rd trimester, so i'll ask for help on that one.