What is the effect of treatment of mild chronic hypertension during pregnancy on the risk for developing preeclampsia?

Updated: Jun 12, 2018
  • Author: Michael P Carson, MD; Chief Editor: Edward H Springel, MD, FACOG  more...
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Although the primary risk of chronic hypertension in pregnancy is development of superimposed preeclampsia, no evidence suggests that pharmacologic treatment of mild hypertension reduces the incidence of preeclampsia in this population. [20]  A study by Magee et al that analyzed 987 women at 14 to 34 weeks gestation to test the outcomes of less-tight vs. tight control of hypertension found that although primary-outcome rates were similar, severe hypertension (≥160/110 mm Hg) developed at a higher frequency in the less-tight control group (40.6% vs. 27.5%). [21]


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