Biocycle BioCycle Biocycle Comparison of three windrow compost systems. BioCycle BioCycle study: design of the longitudinal study of the oxidative stress and hormone variation during the menstrual cycle Adiposity and sex hormones across the menstrual cycle: the BioCycle Study Effect of daily fiber intake on reproductive function: the BioCycle Study. Age at menarche and metabolic markers for type 2 diabetes in premenopausal women: the BioCycle Study. Caffeinated beverage intake and reproductive hormones among premenopausal women in the BioCycle Study Longitudinal study of insulin resistance and sex hormones over the menstrual cycle: the BioCycle Study Timing clinic visits to phases of the menstrual cycle by using a fertility monitor: the BioCycle study. Influence of endogenous reproductive hormones on F2-isoprostane levels in premenopausal women: the BioCycle Study Serum uric acid in relation to endogenous reproductive hormones during the menstrual cycle: findings from the BioCycle study