“Meta-Analysis: The Effect of Prenatal Yoga and the Use of Transcutanal Electric Nerve Stimulation During Pregnancy on Labor Pain”, J Matern Child Health, vol. 6, no. 5, pp. 547–559, Sep. 2021, Accessed: Feb. 01, 2026. [Online]. Available: https://www.thejmch.com/index.php/thejmch/article/view/673