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[1/4]
An instructive & enjoyable webinar!
Some (of the many) key messages, mostly about #MenstrualCycle
Due to big intra- and inter-individual variation in hormone levels, it is hard to provide evidence-based guidelines for practicioners to apply
28-days cycle equals
![[1/4]An instructive & enjoyable webinar!Some (of the many) key messages, mostly about #MenstrualCycle Due to big intra- and inter-individual variation in hormone levels, it is hard to provide evidence-based guidelines for practicioners to apply28-days cycle equals](https://pbs.twimg.com/media/Eb2Zh4wUwAIqM8Y.jpg "[1/4]An instructive & enjoyable webinar!Some (of the many) key messages, mostly about #MenstrualCycle Due to big intra- and inter-individual variation in hormone levels, it is hard to provide evidence-based guidelines for practicioners to apply28-days cycle equals")
An instructive & enjoyable webinar!
Some (of the many) key messages, mostly about #MenstrualCycle
Due to big intra- and inter-individual variation in hormone levels, it is hard to provide evidence-based guidelines for practicioners to apply28-days cycle equals
[2/4]
Effect of ovarian hormones on performance? No consensus 
Are you investigating the effect of sex hormones on X, Y or Z? Day counting is not enough. Be robust and measure the concentration of hormones
Good move to track at least 3 cycles before accepting a pattern
Effect of ovarian hormones on performance? No consensus Are you investigating the effect of sex hormones on X, Y or Z? Day counting is not enough. Be robust and measure the concentration of hormonesGood move to track at least 3 cycles before accepting a pattern
[3/4]
Ovulation kits can be used for verification of ovulatory cycles... And in fact, anovulatory cycles are quite common.
It may take some time (up to 3 months) for the cycle to get back to normal after coming off oral contraceptives
Ovulation kits can be used for verification of ovulatory cycles... And in fact, anovulatory cycles are quite common.It may take some time (up to 3 months) for the cycle to get back to normal after coming off oral contraceptives
[4/4]
If your participant / athlete is not taking hormonal contraceptives and you want to ensure low levels of estrogen and progesterone, do it in the first 3, 4 (maybe 5) days of the cycle
Position statement coming soon!
If your participant / athlete is not taking hormonal contraceptives and you want to ensure low levels of estrogen and progesterone, do it in the first 3, 4 (maybe 5) days of the cyclePosition statement coming soon!
