Role of energy balance in athletic menstrual dysfunction.

The cessation of menstrual function in the female athlete may reflect her inability to adapt to the environmental and lifestyle stressors associated with training and competition. As society's emphasis on thinness, dieting, and exercise continues to increase, so will the incidence of menstrual dysfunction in active females. Unfortunately, some individuals view athletic menstrual dysfunction as a benign consequence of strenuous exercise. Conversely, it is most likely a strong indicator of overtraining and a marker for future decrements in performance, and it can have long-term health consequences. Thus, it is imperative that the active female be appropriately educated regarding the adverse consequences of menstrual dysfunction and the interventions available. This paper focuses on the most current information regarding athletic menstrual dysfunction and its multifactorial etiology, especially the role of energy drain. In addition, common misconceptions, adverse health and performance effects, and available treatment options are discussed.