Single Serum Progesterone Level and The Relation to Fetal Viability in The First Trimester. International Journal of Nursing Research in Midwifery, Obstetrics and Gynecology, [S. l.], v. 1, n. 3, p. 30–34, 2026. DOI: 10.65900/. Disponível em: https://medical.thetapublishers.com/index.php/IJNRMOG/article/view/300. Acesso em: 15 sep. 2026.