Combined screening test dating scan
' Possible responses to the latter are: 'yes, a blood test only'; 'yes, a nuchal scan only'; 'yes, a nuchal scan and blood test'; and 'no, I wasn't offered any screening tests for Down's syndrome'. a), b) and c) The Maternity Services Secondary Uses Dataset, once implemented, will collect data on 'whether or not screening for Down's Syndrome was offered, accepted or declined' (global number 17202360), 'date blood test sample taken for Down's Syndrome screening' (global number 17202410), 'whether or not fetal anomaly screening was offered, accepted or declined' (global number 17203180) and 'date and time on which fetal anomaly screening was undertaken' (global number 17203190).
a), b) and c) QOF indicator MAT1 – Antenatal care and screening are offered according to current local guidelines (Additional services domain).
For women presenting beyond 14 weeks 1 day, the quadruple test (maternal serum) window runs from 14 weeks 2 days to 20 weeks 0 days.
The fetal anomaly ultrasound scan should be offered at first contact visit or booking visit, to take place between 18 weeks 0 days and 20 weeks 6 days.
c) The Care Quality Commission Maternity Services Survey 2010 asks the question 'Did you have a scan at around 20 weeks of pregnancy? Service providers ensure that systems are in place to offer fetal screening to pregnant women in accordance with current UK National Screening Committee programmes.
Healthcare professionals offer fetal screening to pregnant women in accordance with current UK National Screening Committee programmes.
Current UK National Screening Committee programmes for fetal screening are defined here as the National Screening Committee policy on fetal anomaly screening in pregnancy, which includes both fetal anomaly ultrasound, and Down's syndrome screening.
UK National Screening Committee recommendations (Screening for Down's syndrome: UK NSC Policy recommendations 2011–2014 Model of best practice) state that the gestational age window for the combined test runs from 10 weeks 0 days to 14 weeks 1 day.
All pregnant women are offered an NT scan, to help assess whether or not their babies are likely to have Down's syndrome.
If everything is okay and we have time during your appointment, we will also have a quick look in 4D if you would like us to.
If you know you are carrying twins or a multiple pregnancy, please let us know when you book. The results of a Combined Nuchal Scan are approximately 96% accurate and give the probability of your baby having a chromosomal disorder.
c) Proportion of pregnant women booking before 21 weeks who are offered ultrasound screening for fetal anomalies to take place between 18 weeks 0 days and 20 weeks 6 days.
Numerator – the number of women in the denominator offered ultrasound screening for fetal anomalies to take place between 18 weeks 0 days and 20 weeks 6 days.