The genes from which these circRNAs originate (COL15A1, DOCK7, ADAMTS5, HADH, COL3A1, TGFBR3, ISM1, ARL13B, POSTN, KCTD9, KRT77, SEMA3C, CTNND1, DKK3, ZNF114, and FTO) are involved in the HF growth process [38,39,40,41,42,43,44,45,46,47,48,49,50,51,52]. Here, SEMA3C is linked to hydrops fetalis.