Health Questions and Answers

Question: How are hypertensive disorders in pregnancy classified?


In 2000, the National High Blood Pressure Education Program Working Group revised the classification system for this set of conditions. Four categories are now recognized for hypertension in pregnancy: chronic hypertension, gestational hypertension, preeclampsia, and chronic hypertension with superimposed preeclampsia. The American College of Obstetricians and Gynecologists has adopted the Working Group’s system.

Reference: National High Blood Pressure Education Program: Working Group Report on High Blood Pressure in Pregnancy. Am J Obstet Gynecol 183:S1-S22, 2000.

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