Prevalence of hormonal contraceptive use and self-reported symptomatic experiences attributed to the menstrual cycle or hormonal contraceptive use in Norwegian women: the effect of training categories and age groups - the FENDURA project - Osborne, J. O.; Storvand, J. H.; Engseth, T. P.; Solli, G. S.; Morseth, B.; Taylor, M. Y.; Welde, B.; Elliott-Sale, K. J.; Andersson, E. P.; Sandbakk, Ø.; Noordhof, D. A. (Scandinavian Journal of Medicine & Science in Sports, 2025)