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Wolfson Institute of Preventive Medicine - Barts and The London

Antenatal Screening

The Wolfson Institute of Preventive Medicine, part of Barts and The London School of Medicine and Dentistry, is a leader in the field of antenatal screening for Down syndrome, Edwards syndrome and Patau syndrome.

The Antenatal Screening Service has been providing antenatal screening for Down syndrome and open neural tube defects to women since 1989. We currently perform approximately 80,000 screening tests a year, making us one of the largest antenatal screening laboratories in the UK.

Find out more about us.

The Antenatal Screening Service provides three screening tests for Down syndrome, Edwards syndrome and Patau syndrome. Learn more about how we calculate the risk of Down syndrome, Edwards syndrome and Patau syndrome, how we classify the test results, and the additional diagnostic tests offered to women with a high risk or chance of an affected pregnancy.

We offer private screening services for individuals as well as routine services for NHS hospitals. Find out more about these services, including details of the cost and how to book a test.

Antenatal screening can identify pregnancies at high risk of abnormalities including Down syndrome; spina bifida, anencephaly and other open neural tube defects; Edwards syndrome and Patau syndrome. Find out more about these congenital conditions.

The Antenatal Screening Service produces a number of information leaflets, publications and statements for women and healthcare professionals. Find out more about our leaflets and publications.

The Antenatal Screening Service runs a number of courses for health professionals involved in screening, including tailor-made training sessions. Find out more about Antenatal screening courses.