SLC30A8 and gestational diabetes: In the overall analysis, the findings indicated that SLC30A8 rs13266634 showed no association with GDM risk, but SLC30A8 rs2466293 was shown to be significantly related to increased GDM risk under the dominant (GG+AG), codominant homozygous (GG), and allele(G) genetic models that were unadjusted and adjusted for age, pre-BMI, SBP, DBP, and parity.