Febriani, Nofiandi R. The effect of hypokalemia in pregnancy on fetal heart rate. Int J Reprod Contracept Obstet Gynecol [Internet]. 2024 Apr. 26 [cited 2025 Oct. 30];13(5):1298-300. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/13987