Yu 2014a.

Trial name or title	Maternal non‐invasive fetal DNA test used in prenatal diagnosis.
Target condition and reference standard(s)	Target conditions: T21, T18, T13 and 45,X. Reference standards: cytogenetic tests and postnatal follow‐up.
Index and comparator tests	gNIPT by MPSS by BGI‐Shenzhen.
Starting date	Patients recruited in 2012.
Contact information	Yu M or Fei S. Beijing United Family Hospital.
Aim to study	To determine gNIPT accuracy in Chinese population.
Funding source or sponsor of the study	Not reported.
Information about the authors contacted	Author was contacted on: 15 May 2016. BGI was contacted on: 19 May 2016. No reply received from the author or BGI.
Notes	Conference abstract. Some women were still pregnant at the time of writing their conference abstract.