Introduction: Abnormal uterine bleeding is the presence of an excessive and prolonged menstrual bleeding over several consecutive cycles. It is one of the first complaints in pediatric gynecology and is the most common cause dysfunctional uterine bleeding. Objective: To characterize adolescents with menstrual disorders attending gynecology clinic in child and adolescent onset of puberty. https://hlarfszwqj2up.dsiblogger.com/67920467/numerical-analysis-of-flow-and-heat-transfer-enhancement-in-a-horizontal-pipe-with-p-tt-and-v-cut-twisted-tape