Latest clue to exercise-induced amenorrhea.
D000568:Amenorrhea / Q000209:etiology*; D004723:Endorphins / Q000097:blood; D005260:Female; D005640:Follicle Stimulating Hormone / Q000378:metabolism; D006801:Humans; D007986:Luteinizing Hormone / Q000378:metabolism; D005082:Physical Exertion; D001615:beta-Endorphin
D004723:Endorphins; D001615:beta-Endorphin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone