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Original articles  EPIDEMIOLOGY AND CLINICAL MEDICINE


The Journal of Sports Medicine and Physical Fitness 2006 June;46(2):322-7

language: English

Changes of pituitary, adrenal and gonadal hormones during competition among female soccer players

Aizawa K. 1, Nakahori C. 2, Akimoto T. 3, Kimura F. 1, Hayashi K. 4, Kono I. 1, Mesaki N. 1

1 University of Tsukuba Graduate School of Comprehensive Human Sciences, Tsukuba, Japan
2 Master's Program in Health and Sport Sciences University of Tsukuba, Tsukuba, Japan
3 Institute for Biomedical Engineering, Consolidated Research Institute for Advance and Medical Care, Waseda University, Japan
4 Institute for Human Science and Biomedical Engineering National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan


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Aim. This study was intended to investigate various hormones during competition among female athletes.
Methods. Subjects were elite female soccer players (n=9). Blood samples and profiles of mood states (POMS) were obtained before (Pre), during 3 days of competition (Competition), and after competition (Post-3 days). Serum concentrations were determined for dehydroepiandrosterone sulfate (DHEAS), cortisol (C), prolactin (PRL), testosterone (T), adrenocorticotropic hormone (ACTH), luteinising hormone (LH), and follicle stimulating hormone (FSH).
Results. Levels of C and PRL increased significantly during competition (2nd: P<0.05; 3rd: P<0.01) compared with Pre. Levels of LH increased significantly during competition (3rd day) compared with Pre (P<0.05). Levels of DHEAS changed significantly during competition, whereas levels of T, ACTH, and FSH were unchanged during competition. The fatigue score of POMS increased significantly during competition (2nd day) compared with Pre (P<0.05).
Conclusion. We demonstrated that competitive stress affected hormonal status in female athletes. These findings suggest that hormonal changes reflect physical and mental stress during competition.

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