Effect of Pregnancy Classes Plus Early Warning System on Postpartum Hemorrhage Prevention and Self-Efficacy. Journal of Maternal and Child Health, [S. l.], v. 11, n. 2, p. 82–93, 2026. DOI: 10.26911/thejmch.2026.11.02.01. Disponível em: https://thejmch.com/index.php/thejmch/article/view/1290. Acesso em: 31 mar. 2026.