Comparison of serum selenium levels among hypertensive and normotensive pregnant women.

Objective: To correlate serum selenium levels with hypertensive disorders of pregnancy (HDP) in a selected population and evaluate this mineral as a possible protective factor.

Methods: This case-control study included 32 normotensive, 20 hypertensive (chronic and gestational hypertension), and 38 preeclamptic pregnant women. All patients were recruited from antenatal or obstetric admissions of a tertiary hospital in Brazil.