Guidance

Screening in pregnancy: 20-week screening scan

Information about the screening test that takes place between 18 weeks and 20 weeks 6 days of pregnancy, commonly known as the 20-week screening scan.

Applies to England

Documents

Details

This guide to the 20-week screening scan tells expectant parents:

  • its purpose
  • what the possible results mean
  • what will happen if it cannot be completed

This information is available in A4 PDF format (in English) to print out and provide for people who cannot access digital information (see list above).

Contact the Screening helpdesk with any queries about this publication, making sure you include its full title.

Published 7 May 2019
Last updated 31 October 2021 + show all updates
  1. Addition of plain A4 PDF version for printing, to provide for people unable to access this information online.

  2. Minor changes to the wording of use of personal information section (at end of leaflet).

  3. First published.