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Secular trend in age at menarche in women in Portugal born between 1920 and 1992: Results from three population-based studies.
American Journal of Human Biology ( IF 1.6 ) Pub Date : 2020-01-25 , DOI: 10.1002/ajhb.23392
Ana C Queiroga 1 , Rita S Silva 1 , Ana C Santos 1, 2 , Isabel Maia 1 , Henrique Barros 1, 2
Affiliation  

Worldwide data on age at menarche suggest a gradually earlier maturation, which is stabilizing in some societies. The interplay between socioeconomic, behavioral, and environmental factors generates uncertainty about the current status and future trend of age at menarche in most societies. Therefore, we aimed to describe trends in age at menarche during the 20th century in Portugal.

中文翻译:

葡萄牙1920年至1992年出生的女性初潮年龄的长期趋势:三项基于人群的研究的结果。

有关月经初潮年龄的全球数据表明,成熟期逐渐提前,在某些社会中稳定下来。在大多数社会中,社会经济因素,行为因素和环境因素之间的相互作用产生了关于初潮年龄的现状和未来趋势的不确定性。因此,我们旨在描述20世纪葡萄牙初潮时期的年龄趋势。
更新日期:2020-01-25
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