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  • Pre-existing HTN  (pre-pregnancy or <20 wks gest)

  • Gestational HTN (develops @ ≥20 wks gest)

    • w/ or w/o comorbid conditions (ex DM, renal dz)

  • Preeclampsia: gestational HTN + new proteinuria or ≥1 adverse condition or serious complication

    • In “pre-existing HTN” population: resistant HTN, new or worsening proteinuria, ≥1 adverse condition or serious complication

  • Severe preeclampsia: preeclampsia complicated by ≥1 serious complication

    • Warrants delivery regardless of gestational age

  • “Other hypertensive effects” (ex transient HTN, white-coat, masked HTN)



Reference: Magee LA, Smith GN, Bloch C, et al. Guideline No. 426: Hypertensive Disorders of Pregnancy: Diagnosis, Prediction, Prevention, and Management. J Obstet Gynaecol Can. 2022;44(5):547-571.e1. doi:10.1016/j.jogc.2022.03.002

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