Original ResearchPublished 28 September 2026Copy number variants in fetuses with non-structural ultrasound abnormalities among pregnant women without adverse pregnancy historyJianwen Lian · Liubing Lan · Wenjuan Luo · Lingna She · Bosen Zhang · Huaxian Wang · Hua Zhong · Zhiyuan Zheng · Heming Wu · Lifang LinFrontiers in Geneticsdoi 10.3389/fgene.2026.1908680