Rani Safitri et al. 2025. The Relationship Between Early Marriage and The Incidence of Retained Placenta. Proceeding of The International Conference of Inovation, Science, Technology, Education, Children, and Health. 5, 1 (Jun. 2025), 635–639. DOI:https://doi.org/10.62951/icistech.v5i1.200.