Guidance

Twin pregnancies: second trimester screening for Down’s syndrome

This document explains the procedures for second trimester screening for Down's syndrome (trisomy 21) in women with twin pregnancies.

• From: Public Health England
• Published: 1 January 2015

This publication was withdrawn on 1 September 2022

This page has been withdrawn because it’s no longer current.

See current guidance in the chapter on Screening for Down’s syndrome, Edward’s syndrome and Patau’s syndrome in the Fetal Anomaly Screening Programme (FASP) handbook.

Documents

[Withdrawn] Twin pregnancies: second trimester screening for Down’s syndrome (T21)

PDF, 148 KB, 3 pages

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Details

This publication explains second trimester Down’s syndrome screening for women with twin pregnancies.

It sets out:

• the prevalence of the condition
• when the quadruple screening test should be offered
• the diagnostic testing options

Clinician notes

The document includes a section for clinicians to annotate and insert into a woman’s hand-held maternity notes.

Published 1 January 2015