CI, confidence interval; DDD, Defined Daily Dose; GW, gestational week;
HR, hazard ratio; PE, preeclampsia.
a Inverse probability of censoring weights;
all models were adjusted for maternal age, asthma, pre-pregnancy BMI,
parity, smoking during pregnancy, alcohol use during pregnancy, and use
of calcium-containing supplements. Models for proton pump inhibitors
were additionally adjusted for depression.