CVS and amniocentesis: diagnostic tests

This document explains chorionic villus sampling (CVS) and amniocentesis for health professionals working in antenatal screening.

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Chorionic villus sampling (CVS) and amniocentesis: information for professionals

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This information sheet explains the use of chorionic villus sampling and amniocentesis in antenatal screening.

The document sets out the purpose and method of the procedures, as well as the risks and benefits.

Published 1 April 2012