TY - CHAP M1 - Book, Section TI - Menstrual Problems A1 - Taylor, Sharonda-Alston A1 - Remoue-Gonzales, Sophie A1 - Edman, Jennifer C. A2 - Kline, Mark W. PY - 2018 T2 - Rudolph's Pediatrics, 23e AB - Normal menstrual cycles during adolescence occur every 21 to 45 days, with duration of bleeding up to 7 days and blood loss of 20 to 60 mL (see Chapter 533). For those whose cycles are abnormal, the most common menstrual disorders in adolescents include amenorrhea, abnormal uterine bleeding, and dysmenorrhea, which are discussed in this chapter. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/11/13 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1182923615 ER -