What is the prognosis of hypertensive disorders during pregnancy?

Updated: Jun 12, 2018
  • Author: Michael P Carson, MD; Chief Editor: Edward H Springel, MD, FACOG  more...
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Hypertensive disorders in pregnancy are among the leading causes of maternal mortality, along with thromboembolism, hemorrhage and nonobstetric injuries. Between 2011 and 2013, pregnancy-induced hypertension caused 7.4% of maternal deaths in the United States. [14] Furthermore, hypertension before pregnancy or during early pregnancy is associated with a twofold increased risk of gestational diabetes mellitus [15] Transient hypertension of pregnancy (ie, the development of isolated hypertension in a woman in late pregnancy without other manifestations of preeclampsia) is associated strongly with later development of chronic hypertension.

Although maternal diastolic blood pressure (DBP) greater than 110 mm Hg is associated with an increased risk for placental abruption and fetal growth restriction, superimposed preeclamptic disorders cause most of the morbidity due to chronic hypertension during pregnancy (see Complications).

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