Seraseq Trisomy 18 Female Matched Reference MaterialNon invasive prenatal testing (NIPT) continues to expand globally and given the clinical implications, it is extremely critical that NIPT assays report back presence or absence of aneuploidies in an accurate and consistent manner. Matched maternal fetal reference materials derived from pregnant maternal plasma enable accurate assessment of a broad range of NIPT assays, including those based on counting methods, SNPs, as well as differences in the