Assessment of the incidence of pain in the immediate postpartum period: An observational study in the maternity ward of the Hospital Universitário do Oeste do Paraná. Research, Society and Development, [S. l.], v. 14, n. 4, p. e4114448658, 2025. DOI: 10.33448/rsd-v14i4.48658. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48658. Acesso em: 28 jun. 2025.