Amenorrhoea.
D000328:Adult; D000568:Amenorrhea / Q000175:diagnosis / Q000503:physiopathology*; D004777:Environment; D005260:Female; D006801:Humans; D007030:Hypothalamo-Hypophyseal System / Q000503:physiopathology; D011247:Pregnancy; D011584:Psychology; D055815:Young Adult