A nuchal scan is a screening test for Downs Syndrome and two other chromosomal abnormalities, Edward’s and Patau's Syndrome.
MUMS consultants offer Nuchal Scans and Nuchal blood tests 6 days per week. The cost of the Nuchal Scan and blood test and review of results is £180.00.
We offer the blood test two or three days prior to the scan to enable the consultant to calculate the risk at the time of the scan.
Most NHS hospitals offer a nuchal scan, but the NHS scan does not look for all of the markers for Downs syndrome that MUMS does. They do not look for the presence of a nasal bone, the heart and the blood flow studies. Therefore our detection rate is much higher than the NHS can offer as we are looking at the baby in more detail. All nuchal scans performed at MUMS are undertaken by a fetal medicine specialist, who is highly skilled in Nuchal Scanning.
All women whatever their age, have a small risk of delivering a baby with Downs Syndrome; the risk increases as the age of the mother increases.
Chromosomal abnormalities happen when an extra chromosome is present.
The nuchal scan can only be performed between 11 weeks + 2 days and 13 weeks + 6 days of pregnancy and is carried out by fetal medicine specialist.
This test also includes the results of a blood test which is taken from the mother to measure the levels of two hormones that are being released directly by the pregnancy (free B-hCG and PAPP-A). This blood test can be taken from 10 weeks of pregnancy and when taken prior to the scan appointment ensures complete results are given on the day. If the blood test is taken on the day of the scan the final result will be available within two to three days.
At the time of the scan we measure the size of the baby in order to date the pregnancy accurately.
A detailed ultrasound assessment is then undertaken:
The detailed ultrasound assessment also includes an anatomy survey of the entire baby as well as cord insertion to the baby and to the placenta.
These assessments, together with your age and the results of your blood test are combined together to give you a risk factor of the pregnancy being affected by Downs Syndrome as well as the other two chromosomal problems mentioned above.
A result of between 1:2 and 1:150 is considered to be high risk result. A low risk result does not exclude Downs Syndrome, but does mean the chance of your baby having Downs Syndrome is very small.
As our service is clinically led by consultants – comprehensive counselling is provided and a full explanation of the risks and alternative options involving further testing – albeit non invasive or invasive – will be offered.
The only way to know for sure whether your baby has a chromosomal abnormality or not is to have a diagnostic test. Either chorionic villus sampling (CVS) or Amniocentesis – these tests carry a risk of miscarriage of just under 1%.
Alternatively the Illumina or Panorama (NIPT) test may be your preferred option as there is no miscarriage risk.
A Private Nuchal Scan includes:
If you attend MUMS 3 days prior to your scan, we can take your blood test and give you the results on the day of your USS. Please contact MUMS and we are happy to talk through your appointment.
Yes, your NHS booking scan is important, please still attend it, however we would recommend not having the Nuchal scan and blood test again.
Our specialist Fetal medicine consultant will go through the results with you, then a referral will be made to your local NHS fetal medicine department, if needed.
The MUMS nuchal scan is 98% accurate as it checks for more markers such as: • Nasal bone, most babies with down syndrome do not display a calcified nasal bone at this stage. • Tricuspid Regurgitation which is a leaking heart valve. • Ductus venosus. • We also check baby’s early anatomy: kidneys, spine, brain
All you need to do is come with a full bladder between 11+2 and 13+ weeks only
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