ARAP1 and gestational diabetes: Among those with a pre-BMI of 24 kg/m2 or greater, the presence of the C allele of the ARAP1 rs1552224 SNP was significantly associated with 65.5% lower odds of developing GDM compared to carriers of the A allele (OR = 0.345, 95% CI: 0.124-0.960; p = 0.042).