Testing for >1000 conditions using your DNA

SMART  NT

An Innovative Early Solution for Increased Nuchal Translucency (NT)

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Nuchal Translucency (NT)

NT: small space - big implications.

Nuchal translucency (NT) is the small fluid-filled space at the back of the baby’s neck seen on early ultrasound. A larger-than-expected NT raises the chance of chromosomal, genetic and structural conditions - especially congenital heart defects - so it prompts targeted scanning and appropriate testing.

At 10 weeks we use iNT for NT ≥2.5 mm when CRL <45 mm; from 11–14 weeks the standard cut-off is ≥3.5 mm.

All about NT

Your clear guide to increased nuchal translucency (NT) -what it means and what to do. Written for both parents and clinicians: easy to read, clinically robust. Evidence-based, UK-focused, and regularly updated. SMART NT - new 10-week route: expert scans plus genomic NIPT.

Conditions linked with increased NT

While increased NT may resolve in some cases, it is frequently associated with a broad range of serious babie's health conditions.

Down Syndrome
Edwards Syndrome
Turner Syndrome
Patau Syndrome
Melanoma cancer
High Blood Pressure
Leukaemia cancer
Cystic Fibrosis
Colon cancer
Melanoma cancer
Nervous System
Brain Tumours
Hromosomal Instability
Ovarian cancer
Pancreas cancer
Nervous System
Noonan Syndrome
Kabuki Syndrome
Thanatophoric Dysplasia
DiGeorge Syndrome
Fetal Hydrops
Heart Defects
Exomphalos
Diaphragmatic Hernia
Thyroid cancer
Sarcomas cancer
Heart Attack
Lymphoma cancer
Kidneys cancer
Thyroid cancer

Increased NT is not just linked to Down syndrome. It can be associated with many other conditions, which together are more common and often more serious. The SMART Test screens for the majority of them.

SMART NT

We have developed a robust SMART NT protocol that combines the earliest possible diagnosis of abnormal NT with advanced non-invasive genetic testing and high-resolution ultrasound - providing early diagnosis and early reassurance.

Measurement of NT at 10 Weeks

40% of fetuses with early increased NT are affected by major health issues

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Early Anomaly Scan

Expert Scan at around 12-13 weeks is essential to exclude severe physical anomalies

Coming Soon
Early Anomaly Scan

Expert Scan at around 12-13 weeks is essential to exclude severe physical anomalies

Coming Soon
2.5 mm

Is the cut off of abnormal NT at 10 weeks

At 10 weeks (CRL under 45 mm), an NT of 2.5 mm or more is the most commonly used cut-off to define an abnormal increase.

2-3%

Fetuses are estimated to have abnormal NT at 10 weeks

At 10 weeks, abnormally increased NT (>2.5 mm) is uncommon, but when present it is a clinically significant finding.

42%

Is the risk a serious health condition for early high NT.

An increased NT at 10 weeks is often a stronger sign of problems than the same finding later in pregnancy.

50%

An early high NT may appear normal at the 11–14 week.

Early increased NT resolves quickly in half of the cases, but even then about 20% of babies may still have underlying problems.

How it works

Chat with our Genetic Counsellor, receive your at-home DNA kit with a quick cheek swab, send it back, and get your results in under 4 weeks.

How SMART NT works

NT scan and NIPT at 10 weeks; full results by 12 weeks

1

Book 10 Week Scan & NT

If increased NT is found, you can have the SMART Test straight away

2

Get KNOVA NIPT

Receive genetic results in two weeks

3

Do Expert Scan

Give our Fetal Medicine Specialist to check your baby

NT Risk Assessment Tool

Disclaimer! This tool provides approximate cancer risk estimates based on genetic and ethnic factors. It is for educational purposes only and should not replace professional medical advice. Risk estimates are based on population-level data and may not reflect your individual circumstances. Always consult a healthcare provider or genetic counsellor for personalised risk assessment and screening recommendations.

NT Risk Calculator

Our Mission

The SMART NT approach at 10 weeks offers an earlier and innovative way to assess NT. It is built on strong evidence-based data, advances in ultrasound technology and cutting-edge genetic science. This method is completely safe, as it relies on a non-invasive approach, while keeping all traditional diagnostic options (such as CVS and amniocentesis) available if needed. SMART NT provides parents with the earliest possible reassurance and invaluable insight into their baby’s health.

Frequently
Asked Questions

What is genetic testing?

Genetic testing looks at your DNA to find changes or variants in your genes. These changes can tell us if you’re at risk for certain inherited conditions, like hereditary cancers or if you’re a carrier for a genetic condition.

What can genetic testing tell me?

It can reveal if you have a higher genetic risk for certain cancers (like breast, ovarian or bowel), if you’re a carrier for inherited conditions, or if you have a genetic condition that could impact your health or your family’s.

Will the results tell me if I’ll definitely get a disease?

The meaning of your results depends on the type of test you've had — some genetic tests are screening tools that assess the likelihood or risk of a condition, while others are more diagnostic in nature.

Genetic tests can look for variations in your DNA that may be associated with certain conditions. In some cases, a result may indicate an increased risk, but not a certainty, of developing a condition. In others, it may suggest you carry a genetic change without it ever affecting your health.

Not all people with a disease-causing variant will go on to develop the condition, and some without a detectable variant may still be affected due to non-genetic factors such as environment, lifestyle, or chance.

Always discuss your results with a qualified healthcare provider or genetic counsellor to fully understand what they may (or may not) mean for you and your family.

How does it work?

It’s simple. You’ll first speak with one of our expert Genetic Counsellors. Depending on your location and the type of test, you’ll either receive a saliva kit in the post for an at-home cheek swab, or we’ll arrange a at-home blood sample collection.

Blood draws can be done at our partner clinic in Shoreditch, Spital Clinic, or by a mobile phlebotomist visiting your home. Your sample is then sent to a certified lab in the UK or US, and results are typically ready in under 4 weeks.

Is my data safe and private?

Yes. At Jeen Health, your data is encrypted and stored securely on our GDPR compliant servers, as well as with our vetted laboratories. Your results are only shared with you and your dedicated Genetic Counsellor, never with insurers or third parties.

Is genetic testing only for people with a family history of disease?

Not at all. While a strong family history increases your risk, many people with genetic conditions have no known family history. Testing helps you uncover hidden risks you wouldn’t otherwise know about.

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What's Next?

What happens if my DNA shows a higher-risk gene?