The NT/NB scan at 11-13+6 weeks is a critical early pregnancy screening that assesses four key components: Nuchal Translucency (fluid behind the baby's neck), Nasal Bone, Tricuspid Doppler (heart valve leakage), and Ductus Venosus Doppler (blood flow in the tummy), combined with blood tests like Dual Marker or NIPT to detect genetic abnormalities such as Down syndrome with high accuracy.
Deep Dive
Prerequisite Knowledge
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Where to go next
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Deep Dive
Week 12: Baby's first health report card
Added:Week 12, your baby's first health report card. Welcome to episode six of your week-by-week pregnancy guide. 12 weeks pregnant, this is the time for the NTNB scan. Don't miss this as this can detect serious conditions early.
Here's what we check for.
First, NT or the nuchal translucency, which is the fluid behind the baby's neck. Number two, the baby's nasal bone.
Third, we check for any leakage across the baby's heart walls. And fourth, blood flow in the baby's tummy or the ductus venosus doppler.
This is combined with a blood test, the dual marker or the NIPT, which helps to improve accuracy for the detection of genetic abnormalities, especially the Down syndrome.
Timing is crucial. This has to be done between 11 to 13 + 6 weeks of pregnancy.
This one scan equals to big reassurance.
Follow me for episode seven, entering the second trimester, a new phase begins.
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