[Skip to content]

Print this page
.

Test and sample information

This is a searchable database of information about tests offered by Pathology at the Royal Derby Hospital. 

If there are any comments on specific test content please contact john.monaghan@nhs.net .

For further patient information on pathology tests please visit: www.labtestsonline.org.uk

Test
Antenatal Screening (NTD & Downs screening)
Sample
Blood
Sample container
Vacutainer / Red / Serum
Volume required
5ml
Special requirements for specimen collection
Please use Antenatal Screening forms.  For calculation or risk factor, age, weight, LMP or scan date is essential.
Discipline
Biochemistry
Clinical notes
In order to determine the risk the presence of a Neural Tube Defect or Down�s Syndrome at antenatal screening, serum biochemical markers are measured between 15 and 17 weeks (inclusive). It is vital that the specific antenatal screening form is correctly filled in.
Turn around time
3 working days
Last modified: 02/08/2017