Figure 1. Comparison of outcomes between early period (2001–2010) and late period (2011–2012) among pregnant women with type 1 diabetes.

Type 1 diabetic women had a lower risk of developing preeclampsia during the late period than the early period. The differences in other pregnancy outcomes did not show any statistical significance between the two periods. † Adjusted for age, infant sex, place of residence, income, occupation, calendar year, and Charlson comorbidity index. CI, confidence interval; NA, not available.