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The IONA® test is a non-invasive prenatal test for pregnant women which estimates the risk of a fetus having Down’s syndrome (T21), Edwards' syndrome (T18) and Patau’s Syndrome (T13). IONA® Care looks additionally for select Sex Chromosome Aneuploidies (SCAs) and Autosomal Aneuploidies (AAs). The IONA® test and IONA® Care are available via our network of partner clinics and healthcare providers. The samples are processed at Yourgene Genomic Services in Manchester, UK.

IONA® and IONA® Care are advanced screening tests carried out on a small blood sample taken from the mother’s arm with no risk of miscarriage. Fetal sex determination is available optionally from some providers. Please ask your healthcare professional for further information.

  • Safe: non-invasive with no risk of miscarriage
  • Fast: results available in 2-5 working days from sample receipt in the laboratory
  • Accurate: Overall 99.99% detection of trisomy conditions (trisomy 21, 18 and 13)
  • Local:the IONA® test and IONA® Care are analysed at Yourgene Genomic Services in Manchester, UK. We also have a network of clinical laboratories offering IONA® locally to pregnant women. Contact us for further information.
  • Quality: the IONA® test is a highly regulated screening test which is made in the UK and CE marked

The IONA® test and IONA® Care, like all other non-invasive prenatal tests (NIPT), are screening tests and high risk results should be confirmed by a follow-up invasive procedure such as amniocentesis.

The IONA® Test for pregnant women leaflet download here.

IONA® Care leaflet download here.

  The IONA<sup>®</sup> test Logo non-invasive prenatal screen: safe, fast, accurate The IONA<sup>®</sup> care Logo

Trisomy 21 
(Down’s Syndrome)

Trisomy 18
(Edwards’ Syndrome)

Trisomy 13
(Patau’s Syndrome)

Fetal Sex determination


Autosomal Aneuploidies (AA’s)


Sex Chromosome Aneuploidies (SCA’s)


Available for twin pregnancies

✔ (Fetal sex determination for  monochorionic twins only)

✔ (Fetal sex determination, AA and  SCA analysis for monochorionic twins only)

Re-draw rate



Turnaround time

2-5 working days from sample receipt

2-5 working days from sample receipt

Earliest gestation

10 weeks

10 weeks

Sample type

1 tube maternal blood

1 tube maternal blood