Athletic Performance and the Oral Contraceptive

in International Journal of Sports Physiology and Performance
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Some reports suggest variation in physiological responses and athletic performance, for female athletes at specific phases of the menstrual cycle. However, inconsistent findings are common due to the inappropriate verification of menstrual cycle phase, small subject numbers, high intra- and interindividual variability in estrogen and progesterone concentration, and the pulsatile secretion of these hormones. Therefore, the oral contraceptive (OC) cycle may provide a more stable environment in which to evaluate the acute effect of reproductive hormones on physiological variables and exercise performance. To date, most of the OC research has compared differences between OC use and nonuse, and few researchers have examined within-cycle effects of the OC. It is also apparent that OC use is becoming far more prevalent in athletes; hence the effect of the different exogenous and endogenous hormonal profiles on athletic performance should be investigated. Research to date identifies potential for variation in aerobic performance, anaerobic capacity, anaerobic power and reactive strength throughout an OC cycle. The purpose of this review is to present and evaluate the current literature on the physiology of exercise and athletic performance during the OC cycle.

Rechichi is with the School of Sports Science, Exercise, and Health, University of Western Australia, Crawley, WA, and the Western Australian Institute of Sport, Claremont, WA, Australia. Dawson is with the School of Sports Science, Exercise, and Health, University of Western Australia, Crawley, WA. Goodman is with the Western Australian Institute of Sport, Claremont, WA, Australia.