Dewi, Elok, and Emi Wulandari. “Effects of Combined Prenatal Yoga and Structured Pregnancy Exercise on Serum Cortisol Regulation and Active-Phase Labor Duration”. Journal of Research in Midwifery and Healthcare 2, no. 1 (June 30, 2026): 34–43. Accessed August 14, 2026. https://journal.unesa.ac.id/index.php/jrmh/article/view/53544.