NT/NB Ultrasound

NT/NB Ultrasound (Nuchal Translucency/Nasal Bone Ultrasound) is a special scan done during early pregnancy, usually between 11 to 14 weeks. It checks the clear space at the back of the baby’s neck (nuchal translucency) and the presence of the nasal bone. These measurements help assess the risk of certain genetic conditions, such as Down syndrome. It is a safe, painless test that uses sound waves to give doctors important information about the baby’s early development. NT/NB ultrasound is often part of the first-trimester screening and helps plan further tests if needed.

Why NT/NB Ultrasound Is Performed?

NT/NB Ultrasound is done during early pregnancy (11–14 weeks) to check the baby’s development. It measures the clear space at the back of the baby’s neck (nuchal translucency) and checks if the nasal bone is visible. These signs help assess the risk of genetic problems like Down syndrome or other chromosomal disorders.

  • Measures nuchal translucency at the back of baby’s neck.

  • Checks for the presence of the baby’s nasal bone.

  • Assesses risk of genetic conditions like Down syndrome.

  • Performed between 11 to 14 weeks of pregnancy.

  • Helps detect chromosomal abnormalities in early pregnancy.

  • Part of routine first-trimester screening tests.

  • Helps decide if further genetic testing is needed.

  • Safe, non-invasive, and painless for mother and baby.

  • Supports early planning and care if any issues found.

  • Provides early information about the baby’s development.

Meet Our Doctor

Dr Shruti Singhal After Passing From AFMC Pune, She did her MD Radiodiagnosis and Senior residency in Department of Neuroradiology AIIMS. She has more than 15 years of expertise in all fields of ultrasound.

She is responsible for setting up Niramaya Neurospine & diagnostic Centre Along with her husband Dr Shailesh Jain Who is MCH Neurosurgeon (AIIMS)  & Neurointerventionist ,

She has Vast experience in Fetal Medicine Obstetric ultrasound including anomaly scan & fetal echocardiography.
She Experts in Breast Ultrasound Doppler ultrasound are also her forte

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OUR PATIENTS SAY

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PENNY DANIELS
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MARGERET TINSDALE
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ROSE JAMERSON

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Advanced medical care and health technology have enabled doctors and specialists to cure complex medical issues related to spine and neuro disorders. We have combined the expertise of experienced consultants and neuro-surgeon with the latest medical technology to achieve quality and least invasive treatment.

Frequently Asked Questions

What is an NT (Nuchal Translucency) ultrasound?

It is a special scan done around 11-14 weeks of pregnancy to measure the clear space at the back of the baby’s neck. This helps check the risk for certain genetic conditions like Down syndrome.

This ultrasound looks at the baby’s nasal bone during the same time as the NT scan. The presence or absence of the nasal bone can give extra information about the baby’s health.

Yes, it’s completely safe. It uses ultrasound waves, which are non-invasive and have no known risks to the baby or mother.

The ideal time is between 11 weeks and 14 weeks of pregnancy. After that, the measurements may not be as accurate.

No, it mainly helps screen for some chromosomal conditions and certain heart problems. It can’t detect every type of birth defect, so other ultrasounds and tests might be needed later.

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Dr Shruti Singhal available at 8 AM to 3 PM Daily  and Evening & Sunday by Oppointment.

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