Many tests are carried out during a pregnancy to determine the health of the developing baby.
A nuchal translucency scan (NT scan) is a test which measures that risk of the baby having certain conditions such as Down's syndrome, Turner's syndrome or Patau's syndrome. Each of these conditions is caused by a chromosome abnormality and knowing whether your child is like to be effected can help you plan for the future.
Women can give birth to a child with Down's syndrome at any ages, but the risk increases with maternal age. A nuchal scan is offered to women over the age of 35. It is also offered to women who have a family history of chromosome abnormalities or previous pregnancies with problems.
Without risk to either mother and child, nuchal scans are non-invasive and are usually carried out between 11 weeks 3 days and 13 weeks 6 days gestation to give the most accurate results. Fluid under the skin in the nuchal fold is measured giving a result, expressed as a ratio, of the probability of the child be effected by certain conditions.
Many women go on to have healthy babies despite receiving risk results of 1:300 or less, as results are approximately 75% accurate. However, when combined with the OSCAR blood test this can improve to 90%. False positive and false negative results are possible in either case. 2d scan pictures often accompany results of the nuchal translucency scan but parents can have 3d and 4d ultrasound scans later on in the pregnancy.
These scans can be taken at any time during the pregnancy but for more realistic pictures it is best to wait until you are 26 to 32 weeks pregnant so that you can clearly see the baby's face, fingers, toes, hands and feet as well as any facial gestures that they may be making at the time. There is evidence to suggest that having 3d ultrasound scans and 4d ultrasound scans help with the bonding between parent and baby.
Nuchal scans help parents to make decisions about their future with their baby as they provide valuable information Combined with other ultrasound scans, such as 4d ultrasound, parents have a clear picture of their unborn baby.
A nuchal translucency scan (NT scan) is a test which measures that risk of the baby having certain conditions such as Down's syndrome, Turner's syndrome or Patau's syndrome. Each of these conditions is caused by a chromosome abnormality and knowing whether your child is like to be effected can help you plan for the future.
Women can give birth to a child with Down's syndrome at any ages, but the risk increases with maternal age. A nuchal scan is offered to women over the age of 35. It is also offered to women who have a family history of chromosome abnormalities or previous pregnancies with problems.
Without risk to either mother and child, nuchal scans are non-invasive and are usually carried out between 11 weeks 3 days and 13 weeks 6 days gestation to give the most accurate results. Fluid under the skin in the nuchal fold is measured giving a result, expressed as a ratio, of the probability of the child be effected by certain conditions.
Many women go on to have healthy babies despite receiving risk results of 1:300 or less, as results are approximately 75% accurate. However, when combined with the OSCAR blood test this can improve to 90%. False positive and false negative results are possible in either case. 2d scan pictures often accompany results of the nuchal translucency scan but parents can have 3d and 4d ultrasound scans later on in the pregnancy.
These scans can be taken at any time during the pregnancy but for more realistic pictures it is best to wait until you are 26 to 32 weeks pregnant so that you can clearly see the baby's face, fingers, toes, hands and feet as well as any facial gestures that they may be making at the time. There is evidence to suggest that having 3d ultrasound scans and 4d ultrasound scans help with the bonding between parent and baby.
Nuchal scans help parents to make decisions about their future with their baby as they provide valuable information Combined with other ultrasound scans, such as 4d ultrasound, parents have a clear picture of their unborn baby.
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