SIREGAR, N.; SUKAISI; ALFRIANNE. The Effect of Birthing Ball on the Pain Scale of First Stage of Labor in the Active Phase in the Bukit Sari Health Center Work Area. Jurnal Maternitas Kebidanan, [S. l.], v. 10, n. 1, p. 1-13, 2025. DOI: 10.34012/jumkep.v10i1.5928. Disponível em: https://jurnal.unprimdn.ac.id/index.php/jumkep/article/view/5928. Acesso em: 21 apr. 2025.