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The majority of the variation in a persons cycle length can be attributed to variation in the length of the follicular phase. Graphic: An animation changes the length of the cyklus variationfollicular phase to add between 0 and 3 additional days. Each。

Data from the BioCycle Study are helping researchers examine the intracycle variation of oxidative stress, reproductive hormones, inflammation, and metabolic biomarkers;。

The remaining 77 people would have regular cycles, but there is still a lot of variation in median cycle length difference. Graphic: All 100 circles are shown on the x-axis in a quantile dot plot.。

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