Nuchal Translucency (NT) Normal Range

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Diagnosis tests have hence been designed for several congenital defects. This way the doctor will be able to get a better look at the baby.

Occasionally a transvaginal ultrasound is also needed. Those measurements, plus your age and baby's gestational age, will be entered into an equation that calculates the probability of a chromosomal abnormality.

Nuchal translucency measurement

You may be wondering what nuchal translucency is. It can be measured during the second trimester with the help what is nuchal translucency an ultrasound. All the babies have fluid but the babies with Down syndrome have more of it. What is the nuchal translucency scan. This is a test meant to determine the chances of your baby being affected by Down syndrome. This test can only assess the risks. How is the scan for nuchal translucency performed. In order to have the test you must have an ultrasound between the 11 th and 13 th week of pregnancy. Before this period the baby is too small for the fluid to be visible. On the other hand if you have the ultrasound too late, the excess fluid could be absorbed by the organism of the baby. This way the doctor will be able to get a better look at the baby. In order to be sure of the gestational age, the sonographer during the what is nuchal translucency translucency test will measure the baby from top to the bottom of the spine. The skin appears as a white line and the fluid will have a black color on the screen. The good news about the test for nuchal translucency is that during it the parents can see the baby to the smallest details. The scan can be used to exclude some of the major abnormalities. However it is best to have a detailed anomaly scan as well after the 20 th week of pregnancy. During the 13 th week this could be of 2. It is also possible for the little one to be affected by other chromosomal abnormalities. The good news is that only a few babies have high results on these scans. The chances increase with age.

As many scans as required can be carried out without any increased risk. This decision can be very difficult, but you don't have to decide in a hurry. It is a good idea to wear comfortable clothing that gives easy access to your lower abdominal area. If not, issues like spina bifida, club foot and cleft palate become more apparent at the 20-week scan. What are the advantages of first-trimester prenatal screening? If there are concerns at this juncture, the options are available for more invasive testing like amniocentesis, if you so desire. Every woman has a chance of giving birth to a baby with Down syndrome.