Preeclampsia is one of the main causes of maternal morbidity and mortality with a prevalence of 5-8%. Recently, ACOG has offered nifedipine, labetalol, or hydralazine as an antihypertensive emergency in preeclampsia. Labetalol and hydralazine have not been widely used in Indonesia. Methods: This study was a randomized controlled clinical trial, analytic, doubleblinding, prospective, and co…