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What is the risk of miscarriage when doing a CVS or Amniocentesis?

April 26, 2017Amniocentesis CVS doing miscarriage risk

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What is the risk of miscarriage when doing a CVS or Amniocentesis?

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The inherent risk of an invasive test of this type is 1%. However the Royal College of Obstetricians and Gynaecologists suggest that a figure of ½ to 1% should be quoted for an amniocentesis and a slightly higher risk of 1-2% for a chorion villus sampling (CVS). This is because the risk of a miscarriage occurring is higher earlier in pregnancy when the CVS is done.