The Impact of Preeclampsia Definitions on the Identification of Adverse Outcome Risk in Hypertensive Pregnancy: Analyses From the CHIPS Trial (Control of Hypertension in Pregnancy Study)

( BJOG . 2021;128:1373–1382) Hypertensive disorders of pregnancy include preeclampsia, gestational hypertension (developing at or after 20 wk’ gestation), and chronic hypertension (diagnosed before 20 wk’ gestation, or before pregnancy). Of these, preeclampsia is associated with the highest risks for parturient and neonate. Gestational or chronic hypertension often develops into preeclampsia. Preeclampsia is typically defined by new …