title: Timing of menarche and initial menstrual experience.
authors.forename: J
authors.initials: J
authors.lastname: Rierdan
authors.forename: E
authors.initials: E
authors.lastname: Koff
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000569:Americas; D001519:Behavior; D015331:Cohort Studies; D003625:Data Collection; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D004493:Education; D008572:Menarche; D008598:Menstruation; D009656:North America; D010379:Peer Group; D010465:Perception; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011584:Psychology; D012098:Reproduction; D012106:Research; D012494:Sampling Studies; D012574:Schools; D012649:Self Concept; D013223:Statistics as Topic; D013334:Students; D013997:Time Factors; D014481:United States; D014495:Universities
keywords: Adolescents; Age Factors; Americas; Behavior; Cohort Analysis; Comparative Studies; Demographic Factors; Developed Countries; Developing Countries; Education; Menarche; Menstruation; North America; Northern America; Peer Groups; Perception; Population; Population Characteristics; Population Dynamics; Psychological Factors; Psychosocial Factors; Reproduction; Research Methodology; Research Report; Sampling Studies; Schools; Self-perception; Statistical Studies; Students--women; Studies; Surveys; Time Factors; United States; Universities; Youth