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Nuchal translucency (NT) scan

A Nuchal translucency (NT) scan is a ultrasound test of the pregnancy. It shows fluid at the back of the baby's neck at 11 to 14 weeks, used in screening for chromosomal conditions. No ionising radiation (sound waves).

सामान्य स्वास्थ्य जानकारी — यो निदान होइन। आपत्कालमा १०२ मा फोन गर्नुहोस्। सधैं योग्य स्वास्थ्यकर्मीसँग सल्लाह लिनुहोस्।

What it shows

Fluid at the back of the baby's neck at 11 to 14 weeks, used in screening for chromosomal conditions.

Why it is done

First-trimester screening.

Preparation

Usually no preparation; some scans need fasting or a full bladder, as the centre advises.

Radiation & safety

No ionising radiation (sound waves). Safe in pregnancy.

How long it takes

20 to 40 minutes. General information, not a diagnosis. Results must be interpreted by a qualified health worker.

Sample type

Ultrasound

नतिजा व्याख्या गर्न डाक्टरलाई देखाउनुहोस् — एउटै परीक्षणले निदान गर्दैन।

यो कहाँ गर्न सकिन्छ

तपाईंनजिकको हेरचाह

नजिकका सुविधा देखाउन तपाईंको स्थान एक पटक प्रयोग गर्छ। केही सुरक्षित गरिँदैन।

सामान्य प्रश्न

What does a nt scan show?
Fluid at the back of the baby's neck at 11 to 14 weeks, used in screening for chromosomal conditions.

Why is a nt scan done?
First-trimester screening.

How do I prepare for a nt scan?
Usually no preparation; some scans need fasting or a full bladder, as the centre advises.

Does a nt scan use radiation?
No ionising radiation (sound waves). Safe in pregnancy.

How long does a nt scan take?
20 to 40 minutes

Nuchal translucency (NT) scan किन गरिन्छ?
First-trimester screening.

Nuchal translucency (NT) scan का लागि कसरी तयारी गर्ने?
Usually no preparation; some scans need fasting or a full bladder, as the centre advises.

Nuchal translucency (NT) scan गर्भावस्थामा सुरक्षित छ?
No ionising radiation (sound waves). Safe in pregnancy.

SI text CC BY 4.0; RadiologyInfo.org (ACR/RSNA) and MedlinePlus linked as references only, no text copied.

स्रोत: SI health summary (own words); decoder imaging pack; RadiologyInfo.org and MedlinePlus as references only

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