In April the CHAP (Chronic Hypertension and Pregnancy) Trial was published in the New England Journal of Medicine. Below is a summary of the results of this trial in addition to practice implementation recommendations and links to the CHAP Trial and SMFM/ACOG endorsement statements. Based on this evidence there is support for immediate practice change to reflect these recommendations.
Tita AT, Szychowski JM, Boggess K, Dugoff L, Sibai B, Lawrence K, et al. Treatment for mild chronic hypertension during pregnancy. Chronic Hypertension and Pregnancy (CHAP) Trial Consortium. N Engl J Med. Published online April 2, 2022. doi: 10.1056/NEJMoa2201295