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Title
Secular trend in age at menarche for South Korean women born between 1920 and 1986: the Ansan Study.
Authors
Hwang, Ji-Yun; Shin, Chol; Frongillo, Edward A; Shin, Kyung Rim; Jo, Inho
Abstract
There is strong evidence of a downward secular trend in age at menarche in Europe and the USA during the last century and in Japan and China during the past few decades. However, no study on this trend in age at menarche has been reported in South Korea.
Publication
Annals of human biology, 2003, Vol 30, Issue 4, p434