Khan NT, Jameel N. Amenorrhea-An abnormal cessation of normal menstrual cycle. Clin J Obstet Gynecol [Internet]. 2020 Apr. 9 [cited 2026 Mar. 15];3(1):033-6. Available from: https://www.obstetricgynecoljournal.com/cjog/article/view/cjog-aid1046