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Changes in age at menarche in Germany: Evidence for a continuing decline

✍ Scribed by Dörte Ostersehlt; Heidi Danker-Hopfe

Book ID
102699654
Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
615 KB
Volume
3
Category
Article
ISSN
1042-0533

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## Abstract Menarcheal age was estimated for 287 (188 Black; 99 White) urban South African girls born in Soweto‐Johannesburg 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