The SNP array results of case 1 (Table 3), the fetus had a 3.1 Mb deletion in the 22q11.21 region, which contained 49 OMIM genes, including CLTCL1, HIRA, and TBX1. Reportedly, the 22q11.2 deletion is associated with the 22q11.2 deletion syndrome. The gene discussed is HIRA; the disease is 22q11.2 deletion syndrome.