INS and gestational diabetes: The proportion of insulin-exposed pregnancies in the GDM group has slightly decreased when comparing the early (2012-2016: 1054.4/10000, 1054.4/1059.7, 99.5%, 95% CI 98.7-99.8) and late years (2017-2019: 931/10000, 931/949.9, 98.0%, 95% CI 95.8-98.1) of observation, while that of blood glucose-lowering drugs-exposed pregnancies in the GDM group has increased (2012-2016: 5.5/10000, 5.5/1059.7, 0.5%, 95% CI 0.2-1.2; 2017-2019: 15.3/949.9, 1.6%, 95% CI 0.8-2.5).