Sitepu A, Sinaga D, Pangaribuan NR. The relationship of knowledge about the impact of early marriage on pregnancy and delivery With adolescent women’s attitudes towards Early marriage in the working area of Tuntungan health center, pancur Batu district in 2021. midwifery [Internet]. 2021 Aug. 25 [cited 2026 May 1];10(1, October):18-23. Available from: https://midwifery.iocspublisher.org/index.php/midwifery/article/view/139