CYP19A1 and polycystic ovary syndrome: The Chi-square test for independence between the control group (GC) and the PCOS group (BG) was performed for the CYP19 genotypes: rs2470152, rs241409; INSR: rs1799817, rs2059806; MC4R: rs12970134, rs17782313; FTO rs9939609; and Fisher’s exact test (Table 2).