Examination of US puberty-timing data from 1940 to 1994 for secular trends: panel findings

SY Euling, ME Herman-Giddens, PA Lee… - …, 2008 - publications.aap.org
Whether children, especially girls, are entering and progressing through puberty earlier
today than in the mid-1900s has been debated. Secular trend analysis, based on available
data, is limited by data comparability among studies in different popu-lations, in different
periods of time, and using different methods. As a result, conclusions from data comparisons
have not been consistent. An expert panel was asked to evaluate the weight of evidence for
whether the data, collected from 1940 to 1994, are sufficient to suggest or establish a …