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Classification
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Pre-existing HTN (pre-pregnancy or <20 wks gest)
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Gestational HTN (develops @ ≥20 wks gest)
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w/ or w/o comorbid conditions (ex DM, renal dz)
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Preeclampsia: gestational HTN + new proteinuria or ≥1 adverse condition or serious complication
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In “pre-existing HTN” population: resistant HTN, new or worsening proteinuria, ≥1 adverse condition or serious complication
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Severe preeclampsia: preeclampsia complicated by ≥1 serious complication
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Warrants delivery regardless of gestational age
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“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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