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ACOG Statement on NEJM Study on Mild Chronic Hypertension During Pregnancy


Washington, DCThe following is a statement from Christopher Zahn, MD, chief of Practice Activities, for the American College of Obstetricians and Gynecologists:

“ACOG is aware of the study, “Treatment for Mild Chronic Hypertension during Pregnancy” that was published April 2 in The New England Journal of Medicine. The study reported improved outcomes when maintaining patients on blood pressure medication or initiating treatment early in pregnancy for chronic hypertensive pregnant people with a blood pressure of 140 mm Hg or more or a diastolic blood pressure of 90 mm Hg or more, or both. Prior to the publication of this study, evidence regarding effectiveness for initiating treatment, or maintaining treatment, for patients with mild chronic hypertension was mixed, and definitive recommendations were not possible. 

“ACOG will issue an update to its clinical guidance via a Practice Advisory in the coming days taking into consideration the data from the CHAP trial.”