Researchers at NewYork-Presbyterian Queens are studying chronic hypertension and pregnancy. A common medical complication during pregnancy is chronic hyper- tension (CHTN). CHTN might exist before pregnancy or it might start during pregnancy. It occurs in 2-6% of pregnant women. Mild chronic hypertension is when the blood pressure (BP) is at least 140/90 but less than 160/105. Non-pregnant adults with mild CHTN are treated with medication to lower BP less than 140/90. However, it is not clear whether or not pregnant women should be treated with BP medication unless the BP reaches 160/105.
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