Frequency and experience in the use of menstrual cycle monitoring applications by Brazilian women

On-Field Methodological Approach to Monitor the Menstrual Cycle and Hormonal Phases in Elite Female Athletes

“…9,10 Common monitoring systems involve mobile applications and collect information on athletes' fitness, sleep quality, mood, or rate of perceived exertion. [11][12][13] Recently, several apps have been including menstrual cycle monitoring, following the beginning and the end of menstruation, symptoms, and determining the length of cycles. 14 To monitor NC athletes, recent reviews suggest a combination of 3 methods: calendar-based counting methods, urinary ovulation prediction, and the measurement of serum estrogen and progesterone concentrations.…”