CDKAL1 and gestational diabetes: Similarly, CDKAL1 rs7747752 C allele also markedly increased OR of DCA ≤ 0.28 nmol/mL for GDM in adjusted model from 1.67 (95% CI: 0.68-4.11) for DCA ≤ 0.28 nmol/mL alone to 4.24 (95% CI: 1.84-9.76) for copresence of both.