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What is an NT scan?
NT scan stands for nuchal translucency scan, It is a safe and non-invasive test performed during the first trimester of pregnancy. This ultrasound test detects the risk of several chromosomal abnormalities in the developing baby. It includes Down’s syndrome, a congenital cardiac condition, Edward’s syndrome, or Patau syndrome.Â
During this test, a healthcare professional checks the fluid-filled space at the back of the growing baby’s neck. The results of the NT scan may not be definitive since it is not a diagnostic test. With a 70% accuracy rate, an NT scan alone does not provide conclusive results. Doctors conduct other tests to calculate the risk involved.Â
What is the NT scan used for?
An NT scan is typically performed between weeks 11 and 14 of pregnancy. It measures the translucency or thickness of the fluid build-up behind the neck of a developing baby. The results could indicate chromosomal abnormalities such as Down’s syndrome, Edward’s syndrome, Patau syndrome, or a congenital cardiac disorder. The NT scan does not provide a definite result; it only shows if the baby is at high or low risk.
How are the results of an NT scan understood?
NT scan results are presented as chances. For instance, a chance of 1 in 1000 indicates low risk, with a smaller second number signifying higher risk (e.g., 1 in 150 as high risk). Factors like blood test results, maternal age, gestational age, and nuchal translucency measurement influence interpretation.
Frequently Asked Questions:
What is the Normal range of an NT scan Test?
The normal range for an NT scan test varies with how far along you are in your pregnancy. As a general guideline, at around 12 weeks, a normal measurement is usually under 3.0 millimeters. This can vary, and hence it is advisable to consult your doctor for the correct interpretation based on your specific situation.Why do I need an NT scan?
An NT scan is an optional test an expectant mother undertakes in the first trimester of her pregnancy. A doctor may recommend the nuchal translucency (NT) scan to rule out the risk of the developing baby having any chromosomal abnormality such as Down's syndrome, Edward’s syndrome, Patau syndrome, or a congenital heart defect.How an NT Scan is done or What is the Procedure of an NT Scan?
An NT scan is performed using ultrasound imaging (USG) by a healthcare professional. It is non-invasive and safe for both the mother and the baby. The mother lies down, and a probe is placed on her abdomen to visualize structures. Occasionally, a transvaginal examination (via the vagina) may be advised by doctors for a more detailed view.Why is the NT scan done during pregnancy?
Expectant parents often have concerns about their baby's health. Certain tests help identify potential medical risks in the developing child. One such test is the nuchal translucency (NT) scan, which measures fluid thickness behind the baby's neck. This scan assists doctors in detecting chromosomal abnormalities or heart conditions that the baby might develop.When is an NT Scan done?
An NT scan, recommended in the first trimester of pregnancy, is generally performed during the third month. This optional screening provides clearer results for pregnancies with a single child rather than twins. The procedure involves a straightforward ultrasound to measure fluid buildup in the developing baby's neck.Which week is best for an NT scan?
Typically, doctors advise the NT scan between weeks 11 and 14 of pregnancy. Many expectant mothers have this screening around week 12 as part of their initial routine ultrasound. Keep in mind that the NT scan is not a diagnostic test; results vary due to multiple factors. The scan's accuracy is around 70%.Can an NT scan show gender?
No, the NT scan cannot determine the baby's gender. It measures fluid thickness at the baby's neck, potentially indicating chromosomal abnormalities. However, it doesn't definitively confirm such concerns. Consult a doctor for accurate guidance and additional tests.Is an NT scan compulsory?
No, an NT scan is not compulsory. The decision is left to the parents. Many parents seek assurance about their child's healthy growth. While the NT scan might not provide definitive results, it could highlight concerns affecting the child's well-being after birth, both physically and mentally.Is an NT scan painful?
An NT scan is a safe and non-invasive technique for screening a growing baby. It is painless and does not affect the expectant mother or child. Sometimes, women skip this test due to concerns about the associated risks. If feeling anxious about the ultrasound, it's advisable to consult a doctor for reassurance and information.Why Choose Yashoda Hospitals
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