Secular trend and urban-rural disparity for age at spermarche among Chinese Han boys from 1995 to 2019.

Di Shi,Ning Ma,Yunfei Liu,Jiajia Dang,Panliang Zhong,Shan Cai,Peijin Hu,Jun Ma,Yi Song,Patrick W C Lau

Acta paediatrica (Oslo, Norway : 1992)（2023）

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摘要

In general, spermarche in Chinese Han boys showed a decreasing trend, but the pace was slowing down. The urban-rural disparity in puberty development still existed but was gradually narrowing.

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关键词

China,puberty development,secular trend,spermarche,urban-rural disparity

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