KCNQ1 and gestational diabetes: Additionally, substantial correlations with GDM were found among Filipinos for the SNPs rs2237895 (KCNQ1), rs1113132 (EXT2), rs2237892 (KCNQ1), rs1111875 (HHEX), rs10830963 (MTNR1B), and rs13266634 (SLC30A8).