{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T05:02:04Z","timestamp":1781154124662,"version":"3.54.1"},"reference-count":47,"publisher":"American Academy of Pediatrics (AAP)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2002,10,1]]},"abstract":"<jats:p>Objective. To assess secular trends in menarcheal age between 1973 and 1994 and to determine whether childhood levels of height, weight, and skinfold thicknesses can account for racial (white\/black) differences in menarcheal age.<\/jats:p>\n               <jats:p>Methods. Data from 7 cross-sectional examinations of school-aged children, with menarcheal age obtained through interviews, were used for both cross-sectional (11 218 observations) and longitudinal (n = 2058) analyses. In the latter analyses, the baseline examination was performed between ages 5.0 and 9.9 years, and the mean follow-up was 6 years.<\/jats:p>\n               <jats:p>Results. Black girls experienced menarche, on average, 3 months earlier than did white girls (12.3 vs 12.6 years), and during the 20-year study period, the median menarcheal age decreased by approximately 9.5 months among black girls versus approximately 2 months among white girls. As compared with 5- to 9-year-old white girls, black girls were taller and weighed more, characteristics that were predictive of a relatively early (before age 11.0 years) menarche. However, even after adjustment for weight, height, and other characteristics, the rate of early menarche remained 1.4-fold higher among black girls than among white girls.<\/jats:p>\n               <jats:p>Conclusions. Additional study of the determinants of menarcheal age is needed, as the timing of pubertal maturation may influence the risk of various diseases in adulthood.<\/jats:p>","DOI":"10.1542\/peds.110.4.e43","type":"journal-article","created":{"date-parts":[[2004,8,14]],"date-time":"2004-08-14T00:17:55Z","timestamp":1092442675000},"page":"e43-e43","source":"Crossref","is-referenced-by-count":262,"title":["Relation of Age at Menarche to Race, Time Period, and Anthropometric Dimensions: The Bogalusa Heart Study"],"prefix":"10.1542","volume":"110","author":[{"given":"David S.","family":"Freedman","sequence":"first","affiliation":[{"name":"Division of Nutrition and Physical Activity, Centers for Disease Control and Prevention, Atlanta, Georgia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura Kettel","family":"Khan","sequence":"additional","affiliation":[{"name":"Division of Nutrition and Physical Activity, Centers for Disease Control and Prevention, Atlanta, Georgia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary K.","family":"Serdula","sequence":"additional","affiliation":[{"name":"Division of Nutrition and Physical Activity, Centers for Disease Control and Prevention, Atlanta, Georgia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William H.","family":"Dietz","sequence":"additional","affiliation":[{"name":"Division of Nutrition and Physical Activity, Centers for Disease Control and Prevention, Atlanta, Georgia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sathanur R.","family":"Srinivasan","sequence":"additional","affiliation":[{"name":"Tulane Center for Cardiovascular Health, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerald S.","family":"Berenson","sequence":"additional","affiliation":[{"name":"Tulane Center for Cardiovascular Health, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"417","published-online":{"date-parts":[[2002,10,1]]},"reference":[{"key":"2021121006421789000_R1","unstructured":"MacMahon B. 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