Age at menarche in a Korean population: secular trends and influencing factors
β Scribed by Geum Joon Cho; Hyun Tae Park; Jung Ho Shin; Jun Young Hur; Young Tae Kim; Sun Haeng Kim; Kyu Wan Lee; Tak Kim
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 111 KB
- Volume
- 169
- Category
- Article
- ISSN
- 0340-6997
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## Abstract The present study is part of a large research project on growth, development, nutrition, and health of Caboclo populations from the Brazilian Amazon. The aim of this paper is to analyze the age of menarche in adolescents (__N__ = 164) and adult women (219) in the studied populations. Ca
## Abstract Menarcheal age was estimated for 287 (188 Black; 99 White) urban South African girls born in SowetoβJohannesburg in 1990. The median menarcheal age for Blacks was 12.4 years (95% confidence interval (CI) 12.2, 12.6) and 12.5 years (95% CI 11.7, 13.3) for Whites. Data from six studies of