Fig 1. Unadjusted probability of SMM or death arising between 23 weeks’ gestation up to 42 days postpartum in relation to preconception A1c (main model).

Data are presented as the absolute risk (solid black line, italicized blue values) ± lower and upper 95% confidence intervals (dashed red lines). This analysis comprises 31,225 pregnancies in the preconception sub-cohort. A1c, hemoglobin A1c; SMM, severe maternal morbidity.