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1: Anovulatory Uterine Bleeding
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Published:May 2023
Snezana Nena Osorio, MD, MS, Jennie G. Ono, MD, MS, FAAP, "Anovulatory Uterine Bleeding", Caring for the Hospitalized Child: A Handbook of Inpatient Pediatrics, American Academy of Pediatrics Section on Hospital Medicine, Jeffrey C. Gershel, MD, FAAP, Daniel A. Rauch, MD, FAAP, SFHM
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Anovulatory uterine bleeding (AUB), formerly known as “dysfunctional uterine bleeding,” is a form of abnormal uterine bleeding that is painless, profuse, irregular (noncyclic), and unrelated to any structural changes of the uterus or systemic disease. Although there are many etiologies, anovulation secondary to hypothalamic-pituitary-ovarian axis immaturity is the most common cause of AUB in adolescents during the initial 1 to 2 years of menstruation.
Heavy (> 80 mL) or prolonged (> 7 days) vaginal bleeding that occurs at regular cyclic intervals is known as menorrhagia. Irregular (acyclic) vaginal bleeding is called metrorrhagia. Prolonged or heavy periods that occur at irregular...
