Widyawati, Fiqi, Bhisma Murti, and Rita Benya Adriani. “Meta-Analysis: The Effect of Prenatal Yoga and the Use of Transcutanal Electric Nerve Stimulation During Pregnancy on Labor Pain”. Journal of Maternal and Child Health 6, no. 5 (September 16, 2021): 547–559. Accessed April 30, 2024. https://thejmch.com/index.php/thejmch/article/view/673.