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What is a USG OBSTETRIC NT/NB/LEVEL 1(12-14 WEEKS)?

USG Obstetric NT/NB/Level 1 is a specialized, non-invasive first-trimester ultrasound examination performed between 11 and 14 weeks of pregnancy. The scan helps accurately determine gestational age, assess early fetal growth and anatomy, and screen for the risk of chromosomal abnormalities such as Down syndrome. It includes measurement of Nuchal Translucency (NT), assessment of the Nasal Bone (NB), evaluation of fetal heartbeat and viability, and an early anatomical assessment to support comprehensive prenatal care and pregnancy management.

Additional Information

Also known as/ Other names: Twin NT Scan, First Trimester Twin Screening Ultrasound, Level 1 Pregnancy Scan for Twins, NT/NB Scan for Twin Pregnancy
Parameters: 1
Recommended for: Female
Sample Type: _
Patient Preparation: -
Reports: Within 24 working hrs

Disclaimer: Result availability is subject to the laboratory's schedule and test availability.

FAQs

Will I need additional tests after the examination?

Depending on the ultrasound findings and your individual risk assessment, your doctor may recommend first-trimester biochemical screening, non-invasive prenatal testing (NIPT), genetic counseling, follow-up ultrasound, or diagnostic testing.

When should this scan be performed?

The scan is typically performed between 12 and 14 weeks of pregnancy, when NT and NB measurements are most accurate.

Is the scan safe during pregnancy?

Yes. Ultrasound uses sound waves and does not involve radiation, making it safe for both mother and baby.

What can this scan detect?

It can identify early signs of chromosomal abnormalities, assess fetal heartbeat, evaluate growth, and detect certain major structural abnormalities.

What are the advantages of USG Obstetric NT/NB/Level 1 (12–14 Weeks)?

It provides an early assessment of fetal growth, viability, gestational age, NT, nasal bone, and early fetal anatomy, while contributing valuable information to first-trimester prenatal screening and helping guide appropriate pregnancy follow-up.

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