Definition of DUB
• Any abnormal uterine bleeding for which no specific organic cause can be found
• Most of the time the bleeding is anovulatory
• Is common at the extremes of reproductive life (i.e. post menarchal and perimenopausally)
• Is a diagnosis of exclusion, therefore term is often more confusing than useful
Differential Diagnosis for Adolescent Abnormal Bleeding:
1. DUB secondary to anovulatory cycles [...]
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