EVIDENCE FOR A SECULAR TREND IN AGE OF MENARCHE
EVIDENCE FOR A SECULAR TREND IN AGE OF MENARCHE
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DOI：
10.1056/nejm198204293061707
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发表时间：
1982-01-01
影响因子：
158.5
通讯作者：
FRISCH, RE
中科院分区：
文献类型：
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作者：
WYSHAK, G;FRISCH, RE
我们提供的数据记录了上个世纪欧洲和美国初潮年龄提前的长期趋势。最近对于是否发生了这样的变化一直存在争议。1,2我们回顾了1795年至1981年欧洲初潮年龄的218份报告，涵盖220,037人。3456欧洲的历史数据主要来自巴克曼的广泛整理。3图1和表1显示，在过去的一个半世纪里，欧洲的初潮年龄每十年提前两到三个月。最大下降速度为每十年 3.2 个月。 。 。
WE present data documenting a secular trend toward an earlier age of menarche in Europe and the United States in the past century. There has been recent controversy on whether such a change has taken place.1,2We have reviewed 218 reports on age of menarche in Europe from 1795 to 1981, covering 220,037 individuals.3456The historical European data are mainly from Backman's extensive collation.3Figure 1 and Table 1 show that in Europe the age of menarche has become earlier by two to three months per decade in the past century and a half. The greatest rate of decline, 3.2 months per decade, has . . .