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This study examined the type, frequency, and severity of symptoms experienced by naturally menstruating women and combined, monophasic, oral contraceptive pill users and their perceived effects on exercise performance and recovery time posttraining. Forty-two recreationally active women; 21 naturally menstruating and 21 combined, monophasic, oral contraceptive pill users participated in the study. Data were collected using two approaches: (a) an online 54-part retrospective survey and (b) a daily questionnaire. “Total number of symptoms,” “symptom index score,” “average symptom severity,” and “symptom index × severity score” were calculated from the retrospective data set. Real-time symptom data (i.e., “symptom frequency per phase ” and “ phase symptom frequency × severity score”) were calculated across predefined cycle phases from the daily …