Nuchal dating scan nhs
Nuchal dating scan nhs - beginners online dating guide gay online dating pdf
However, diagnostic tests do carry a small risk of miscarriage.Because of this, your obstetrician will want you to have a screening test before she'll offer you a diagnostic test.
The optimum time for the nuchal translucency scan to be performed is around 12 weeks but it can only be performed between 11 weeks and 2 days and 14 weeks and 1 day.
Nuchal translucency is a collection of fluid under the skin at the back of your baby's neck. All pregnant women are offered a nuchal translucency (NT) scan, to assess whether or not their babies are likely to have Down's syndrome.
A screening test like NT can only estimate the risk of your baby having Down's. For example, if your result is one in 1,000, this means that for every 1,000 babies with your level of risk, one will have Down's syndrome. Diagnostic tests, such as chorionic villus sampling (CVS) and amniocentesis, can say for sure whether or not your baby has Down's.
Your midwife may recommend an early scan at between six weeks and 10 weeks if you have experienced bleeding.
You may also be offered an early scan if you've had a previous miscarriage.
This information is also available online at the UK National Screening Committee.
Please discuss the tests and ask any questions that you have with your maternity team.
The combined test involves a blood test and a nuchal translucency (NT) ultrasound scan in the first trimester of pregnancy, normally at 12 weeks.
If you have found out that you are pregnant after this time, you can still be screened for Down’s syndrome (and Edwards’ and Patau syndromes).
Full support is given to you and your family if your risk is determined to be higher than average.
Back to top You will be offered a further scan to check your baby’s growth and to look for signs of any abnormalities.
Women who are identified as ‘high risk’ will be contacted directly and offered further testing.