Vaginal bleeding is a common complaint with a broad differential diagnosis. Vaginal bleeding can be classified as acute or chronic and can occur in all age groups. This article reviews the general approach to evaluating a patient with vaginal bleeding and the initial management steps that should be taken. Within this article, the term "vaginal bleeding" will be used to describe any abnormal (ie, nonmenstrual) bleeding, including: Any bleeding that occurs outside of normal menses in menstruating individuals. A menstrual bleed that is abnormally heavy or prolonged. Any bleeding during pregnancy. Bleeding in postmenopausal people or prepubescent children.