Initially, genes associatedwith clubfoot (PITX1, TBX4, HOXA9, HOXD10, HOXD12,HOXD13, HOXA9, TPM1, TPM2, COL9A1, FLNB, CASP8,CASP10, UTX, CHD1, RIPPLY2, CAND2, WNT7) werescreened for potential variants. This evidence concerns the gene CHD1 and clubfoot.