Secondary Sexual Characteristics in Boys: Estimates From the National Health and Nutrition Examination Survey III, 1988-1994
Abstract
and Mexican American boys were 12.0 (95% confidence interval [CI], 11.7-12.3), 11.2 (95% CI, 10.911.4), and 12.3 (95% CI, 12.1-12.6) years, respectively, and at stage 2 for genital growth were 10.1 (95% CI, 9.610.6), 9.5 (95% CI, 8.9-10.0), and 10.4 (95% CI, 9.611.1) years, respectively. All 3 groups were significantly taller and heavier than boys in previous NHANES reports and showed earlier genital maturation and pubic hair growth than previous studies based on Tanner staging. Statistically significant differences among the 3 racial/ ethnic groups were found in the median ages of onset of pubic hair growth and genital development at stage 5 with and without controlling for height and weight, indicating an earlier age of attainment for the African American boys. Conclusions: The median (mean) ages at the onset of genital and pubic hair growth were younger than in past studies. Additional studies are required to further evaluate these findings and to explore the public health implications. Arch Pediatr Adolesc Med. 2001;155:1022-1028
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Results from some studies have suggested that age of puberty onset in boys might be occurring earlier than in the past, but additional studies are required to confirm this tendency.
“Similar to what has been reported in girls, results from some studies have suggested that age of puberty onset in boys might be occurring earlier than in the past, but additional studies are required to confirm this tendency.27”
From Pubertal development and regulation (2016) · cites this paper as [27]
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- Authors
- Herman-Giddens, M. E., Wang, L., & Koch, G.
- Affiliations
- University of North Carolina at Chapel Hill (US)
- ORCID
- Wang, Lily
- Venue
- Archives of Pediatrics & Adolescent Medicine
- Publisher
- American Medical Association (AMA)
- Published
- 2001-09-01
- Volume
- 155
- Issue
- 9
- Pages
- 1022
- ISSN
- 1072-4710 (ISSN-L)
- OpenAlex
- W7153705
- Cited by
- 2
- References
- 25
- Citations by year
- 2021: 1 · 2016: 1
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Archives of Pediatrics and Adolescent Medicine (publishedVersion)
- Funders
- Genentech
- Gillings School of Public Health
- Topics
- Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
- Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Human Health and Disease
- Health Sciences › Health Professions › General Health Professions › Adolescent Sexual and Reproductive Health
- Keywords
- secondary sexual characteristics, pubertal timing, pubic hair growth, Tanner stages, puberty onset, racial and ethnic differences, African American boys, NHANES
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