Onset of the release of spermatozoa (spermarche) in Chinese male youth

Article Abstract:

Research of the onset of spermarche in Chinese Han and ethnic males is presented. The median spermarcheal ages are compared between youths from rural, urban, eastern, western, northern and southern environments to evaluate if there are environmental aspects involved in the onset of male puberty in China.

Health aspects, Physiological aspects, Population geography, Ethnology, Spermatozoa, Sperm

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Age at spermarche and comparison of growth and performance of pre- and post-spermarcheal Chinese boys

Article Abstract:

Body size, physique, physiological function and motor ability have been studied in 86,744 Chinese Han boys 9-18 years of age, classified as pre- or post-spermarcheal. The effect of urban versus rural residence and socioeconomic class on median spermarcheal age was also examined.

Research, Growth, Chinese, Chinese (Asian people), Human growth, Human development

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Geographical differences in physiques of male youth of age 18-20 years in China

Article Abstract:

A study on the geographical differences in physiques of male youth of in the age group of 18 - 20 years in China is presented. The measurements taken into consideration included height, weight and body mass index.

Measurement, Body mass index, Physical measurements, Physical measurement

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