Decrease in Menarcheal Age From 1966 to 1983 in Denmark

Abstract
Mean age at menarche was estimated by the status quo method in the same region of Denmark in 1965—66 and 1982-83 in 983 and 1591 girls, respectively. During that period menarcheal age decreased by 4 months from 13.40 to 13.03 years, subsequent to a similar decrease from 1949-50 (2) to 1965-66. Comparison with recent data from the other Nordic countries; except Norway, indicates that age at menarche is now close to 13 years, and a halt in the trend towards earlier menarche is not evident.

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