What does the NT test during pregnancy mean? What does it check? How many weeks into pregnancy is appropriate for a checkup?

I believe that when many pregnant mothers go for a formal prenatal check-up for the first time, the doctor will remind them to do an NT. However, many pregnant mothers do not know what this means and what the examination involves. , let’s talk about things about nt.

What is nt and what does it mainly check?

Nt examination is simply to scan the thickness of the nuchal translucency layer of the fetus to screen for fetal chromosomal abnormalities or some heart diseases. There will be some fluid accumulation on the nape of the fetus at a specific time. Nt examination is to check the thickness of these fluid accumulations through B-ultrasound. Normally, the result does not exceed 2.5nm. If the result exceeds 3nm, it means that the fetus has a chromosomal abnormality. Or heart problems, the thicker the zona pellucida behind the neck, the greater the risk.

This examination is the first early malformation screening examination, with an accuracy rate of more than 85%, so doctors will recommend pregnant mothers to do this examination.

At how many weeks into pregnancy is it usually necessary to have this test?

It is generally recommended that pregnant mothers have this examination at 11--13 6 weeks, because if it is done earlier than 11 weeks, it may be difficult to observe because the fetus is too small, but if it is done more than 14 weeks If you do, the fluid in the zona pellucida may be absorbed by the fetus, so the examination will be meaningless.

So if you want to do this examination, it is best for pregnant mothers to do it within a specific time.

NT examination is actually not as mysterious as imagined. Simply put, it uses B-ultrasound to check a specific position of the fetus, so the cooperation of the fetus is required for this examination.

What if the fetus does not cooperate?

Under normal circumstances, it only takes about ten minutes for us to do a B-ultrasound, or even less than ten minutes. However, doing NT requires the fetus to cooperate and make the designated position, so if the fetus does not cooperate If so, it will take more time to check. Pregnant mothers can use some tricks to make the fetus obedient.

1. Pat the belly

If the fetus is not behaving well, the pregnant mother should pat the belly, communicate with the fetus, and cooperate with the doctor to complete the examination as soon as possible.

2. Eat something

Pregnant mothers can also eat to make the baby move, because the blood sugar of the pregnant mother will become high after eating, and the fetus will It will be more exciting, and it will be easier for the doctor to find the right position by moving around.

3. Go out for a walk

If the baby falls asleep or is too lazy, the pregnant mother may wish to go out and walk around until the baby passes this sleep cycle or It’s okay to do it if you’re already energetic.

But to be honest, the fetus is still very young when doing this examination. Many doctors will have their own methods to make the fetus actively cooperate, so pregnant mothers don’t need to worry too much and let the doctor find a way. Bar.

However, during the examination, pregnant mothers must pay attention to their bodies. If they are too tired, tell the doctor to stop and take a rest first. If they have abdominal pain or the like, they must tell the doctor in time. .

During the examination, doctors will pay great attention to the feelings of pregnant women, so they must speak up in time.