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CVS

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Introduction
Chorionic villus sampling (CVS) is a test carried out during pregnancy most commonly to check your baby for disorders such as Down’s syndrome.
Why chorionic villus sampling is used
Chorionic villus sampling (CVS) allows specific genetic or inherited disorders to be diagnosed in the foetus at a very early stage.
What happens during chorionic villus sampling
Chorionic villus sampling (CVS) involves taking a sample of cells from the tissue of the placenta of a pregnant woman. These cells are called chorionic villi.
Results of chorionic villus sampling
After chorionic villus sampling (CVS) has been carried out, the sample of chorionic villi will be taken to a laboratory so that it can be tested.
Complications of chorionic villus sampling
Before you decide to have chorionic villus sampling (CVS), your GP, midwife or genetic counsellor will discuss the risks and possible complications with you.