title: Exercise-induced amenorrhea.
abstract: Strenuous exercise may cause menstrual abnormalities, including amenorrhea. The hypoestrogenemia that accompanies amenorrhea has been associated with a low bone mineral content and an increased incidence of stress fractures. With the resumption of menses, which usually occurs soon after female athletes decrease the intensity of their training or increase their body weight, bone mineral content increases and the incidence of stress fractures decreases.
authors.affiliation: University of Pittsburgh School of Medicine, Pennsylvania.
authors.forename: B R
authors.initials: BR
authors.lastname: Olson
mesh_terms: D000568:Amenorrhea / Q000209:etiology* / Q000378:metabolism; D001842:Bone and Bones / Q000378:metabolism; D012090:Cumulative Trauma Disorders / Q000209:etiology; D015444:Exercise; D005260:Female; D050723:Fractures, Bone / Q000209:etiology; D006801:Humans; D008597:Menstrual Cycle; D008903:Minerals / Q000378:metabolism
chemical_list: D008903:Minerals