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End of the Trend? A 12-year Study of Age at Menarche

Br Med J 1973; 3 doi: (Published 04 August 1973) Cite this as: Br Med J 1973;3:265
  1. T. C. Dann,
  2. D. F. Roberts


    A 12-year study of menarchial age in all girls entering the University College of Swansea (1959-70) suggests that the downward trend in age at menarche has ceased in Britain. The turning point appears to have occurred in girls born about 1946.