[State of nutrition and diet habits versus estradiol level and its changes in the pre-season preparatory period for the league contest match in female handball and basketball players].


BACKGROUND Intense exercise is known to induce menstrual disturbances--irregular menstrual cycles, oligomenorrhea and amenorrhea in female athletes. Menstrual disturbances, followed by hypoestrogenism, are associated with infertility decreased bone mineral density high prevalence of stress fractures, and endothelial dysfunction. OBJECTIVES The aim of the… (More)