Original ResearchPublished 9 October 2026Performance of non-invasive prenatal screening for 15q11q13 copy number variations in a cohort of 90,693 pregnanciesDiyu Chen · Liang Hu · Hongyan Niu · Zhenming Li · Shuxian Zeng · Xiaoyi Cong · Pingnan Sun · Weiqiang LiuFrontiers in Geneticsdoi 10.3389/fgene.2026.1937108