Azizah, Nur, Lidya Natalia Sinuhaji, Rosmani Sinaga, and Imran Saputra Surbakti. “The Effectiveness of Antenatal Class Education on Improving Maternal Preparedness in Facing Postpartum Hemorrhage”. Open Access Health Scientific Journal 6, no. 2 (August 1, 2025): 270–275. Accessed August 25, 2026. https://www.oahsj.griyaeka.com/index.php/oahsj/article/view/105.