Mu 2014.

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 standard: fetal karyotype of amniotic fluid.
Index and comparator tests	gNIPT by MPSS. NIFTY™ prenatal test by BGI‐Shenzhen.
Starting date	In 2012.
Contact information	Mu Y. Beijing United Family Hospital Beijing, China.
Aim to study	Not reported.
Funding source or sponsor of the study	Not reported.
Information about the authors contacted	Author was contacted on: 19 April and 19 May 2016. No reply received from the author.
Notes	Poster abstract. Some women were still pregnant at the time of writing this poster abstract.