El Fattah, I. A. A. (2017) “Using phytoestrogens as aprophylaxis against irregular uterine bleeding possibly occurring while using Depot-medroxyprogesterone acetate (DMPA) as a contraceptive method”, International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 3(4), pp. 977–981. Available at: https://www.ijrcog.org/index.php/ijrcog/article/view/1350 (Accessed: 4 December 2025).