How sensitive is the Panorama SNP-based NIPT test in twins? Apparently, it can report zygosity even for fetal fractions as low as 2.8%. Please explain the importance of this.

How sensitive is the Panorama SNP-based NIPT test in twins? Apparently, it can report zygosity even for fetal fractions as low as 2.8%. Please explain the importance of this.

How sensitive is the Panorama SNP-based NIPT test in twins? Apparently, it can report zygosity even for fetal fractions as low as 2.8%. Please explain the importance of this.