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Risk factors for recurrence of hypertensive disorders of pregnancy, a population‐based cohort study

Hypertensive disorders of pregnancy (HDP) tend to recur from one pregnancy to the next. The aims of the study were to assess the recurrence risk according to type of HDP defined by gestational age at birth and to examine whether recurrence is associated with the following additional risk factors for HDP: maternal age, smoking, inter‐delivery interval, diabetes, body mass index, and fetal growth restriction, and to assess temporal trends in these associations.