Serudji, J. and Machmud, R. 2019. Comparison on the Incidence of Blood Pressure Increase in the Second Trimester Based On Glomerular Filtration Rate (GFR). Andalas Obstetrics And Gynecology Journal. 3, 1 (Jan. 2019), 15–26. DOI:https://doi.org/10.25077/aoj.3.1.15-26.2019.