Haryanti, Eliza, and Legiran. “Physiological Endocrinology and Causes of Disorders of the Menstrual Cycle”. Science Midwifery 11, no. 1 (April 30, 2023): 1–12. Accessed September 22, 2026. https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/1211.