MARIA, R. D.; SANSUWITO, T. B.; UMAR, N. S. The Effectiveness Preconception Care To Improve Knowledge On Pregnancy : A Systematic Review. International Journal of Health Sciences, [S. l.], v. 1, n. 4, p. 788–802, 2023. DOI: 10.59585/ijhs.v1i4.201. Disponível em: https://jurnal.agdosi.com/index.php/IJHS/article/view/201. Acesso em: 12 may. 2026.