INS and gestational diabetes: At 6 weeks after delivery in women with previous GDM, the insulin levels and HOMA-IR were significantly different between the G/G homozygotes and A allele carriers for rs3758539 and between A/A homozygotes and C allele carriers for rs34571439; the A allele carriers for rs3758539 and the C allele carriers for rs34571439 had a higher insulin and HOMA-IR.