Abstract
Height and weight of 6th year-grade children in primary schools and the 3rd year-grade children in junior high schools have been recorded in Sendai in every October since pre-World War II days, and the secular trends of the annual gains in the measures were compared among the latest three decades of 1965-74, 1975-84 and 1985-94. Acceleration and then reduction in acceleration in growth were observed in the first and the second decade, respectively, and such were followed by reacceleration in the latest 10 year-period. The three-phased changes were most evident in height and weight of primary school children of both sexes, whereas less clear or unclear among children in junior high schools.
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