Pubertal development timing in urban Chinese boys.

  title={Pubertal development timing in urban Chinese boys.},
  author={H-M Ma and S-K Chen and R-M Chen and Cheng Zhu and Feng Xiong and Tang Li and Wei Wang and G-L Liu and X-P Luo and Li Liu and M-L Du},
  journal={International journal of andrology},
  volume={34 5 Pt 2},
We describe current pubertal development in healthy urban Chinese boys. A cross-sectional study of the pubertal development of 18,807 urban Chinese boys aged from 3.50 to 18.49years was conducted between 2003 and 2005. Testicular volume was evaluated with a Prader orchidometer. Pubic hair development was assessed according to the Tanner method. Data on spermarche were collected using the status quo method. Probit analysis was used to calculate the median age and 95% CI at different stages of… CONTINUE READING

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