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Ratings of perceived exertion.
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eF, Early follicular; F, Follicular; mL, Mid luteal; L, Luteal; lF, Late Follicular; lL, Late luteal; OV, Ovulatory; N, No statistical difference between the phases; Y, yes, there was a statistical difference between the menstrual cycle phases. Upward arrow indicates which menstrual cycle phase had greater Ratings of Perceived Exertion (greater perceived fatigability). yr, years old.
