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Female Athlete Triad and Relative Energy Deficiency in Sport

A Focus on Scientific Rigor

Williams, Nancy I.; Koltun, Kristen J.; Strock, Nicole C. A.; De Souza, Mary Jane

Exercise and Sport Sciences Reviews: October 2019 - Volume 47 - Issue 4 - p 197–205
doi: 10.1249/JES.0000000000000200
Perspectives for Progress
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We examine the scientific evidence supporting The Female Athlete Triad and Relative Energy Deficiency in Sport (RED-S) syndromes. More research is necessary to advance the understanding of both syndromes; however, it is premature to consider RED-S as an evidence-based syndrome. Future research should specifically define RED-S components, determine its clinical relevance, and establish the causality of relative energy deficiency on RED-S outcomes.

More Triad and RED-S research is needed. The scientific and clinical basis of RED-S needs to be established.

Women's Health and Exercise Laboratory, Department of Kinesiology, The Pennsylvania State University, University Park, PA

Address for correspondence: Nancy I. Williams, Women's Health and Exercise Laboratory, Department of Kinesiology, The Pennsylvania State University, 276 Recreation Building, University Park, PA 16802 (E-mail: niw1@psu.edu).

Accepted for publication: June 13, 2019.

Editor: Sandra K. Hunter, Ph.D., FACSM.

Online date: July 1, 2019

© 2019 American College of Sports Medicine