NCT02278536.

Trial name or title	Multiple gestation study.
Target condition and reference standard(s)	Target conditions: T21, T18, T13 and SCA. Reference standards: fetal karyotype (amniocentesis or CVS) or genetic testing from cheek swab or saliva from live‐born children.
Index and comparator tests	gNIPT by TMPS by Natera, Inc.
Starting date	March 2013.
Contact information	Brian Kirshon Houston Perinatal Associates Or Zach Demko Natera, Inc.
Aim to study	To demonstrate the accuracy of our new NATUS diagnostic method to determine the genetic health of the developing fetuses in a multiple gestation pregnancy from a maternal blood sample.
Funding source or sponsor of the study	Study funded by Natera, Inc.
Information about the authors contacted	No need for further contact.
Notes