Birth rate analysis in the state of Paraná from 2011 to 2021: trends in fertility rates, maternal age, and the influence of education on delivery type. Research, Society and Development, [S. l.], v. 12, n. 6, p. e7512642028, 2023. DOI: 10.33448/rsd-v12i6.42028. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/42028. Acesso em: 28 jun. 2025.