article_snippet: The non-invasive IONA test examines DNA in cells from the foetus
article_snippet: ’s blood and looks for evidence of chromosomal abnormalities that cause genetic disorders.
article_snippet: The non-invasive IONA test examines DNA in cells from the foetus
article_snippet: ’s blood and looks for evidence of chromosomal abnormalities that cause genetic disorders .
highlights_snippet: Non-invasive IONA test examines foetus DNA in cells in mother's blood .
  