NCT01472523.

Trial name or title	A safer pre‐natal diagnosis using free DNA in maternal blood (IONA®).
Target condition and reference standard(s)	Target conditions: T21, T18, T13 and other chromosomal abnormalities yet to be determined. Reference standards: prenatal karyotype and follow‐up for 1 year.
Index and comparator tests	gNIPT by TMPS (selective amplification of fetal DNA) by Premaitha Health.
Starting date	April 2007.
Contact information	Brenda Kelly National Health Service, United Kingdom
Aim to study	To validate a novel gNIPT method that could increase the titre of fetal DNA within a given sample.
Funding source or sponsor of the study	Study funded by Premaitha Health.
Information about the authors contacted	No need for further contact.
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