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Evidence for a Secular Trend in Age of Menarche
Open accessAbstract
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 , 2 We have reviewed 218 reports on age of menarche in Europe from 1795 to 1981, covering 220,037 individuals.3 4 5 6 The historical European data are mainly from Backman's extensive collation.3 Figure 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 . . .
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“This change has been attributed to improvements in general health, nutrition, and other living conditions during this period.”
From Pubertal development and regulation (2016) · cites this paper as [20]
In the citing paper
“Studies have shown a decrease in the average age of menarche between the mid-19th and the mid-20th centuries in the USA and in some countries in Europe.20”
From Pubertal development and regulation (2016) · cites this paper as [20]
In the citing paper
“The decrease in the average age of puberty initiation between the mid-19th and mid-20th centuries suggested an association of nutrition and environmental factors with reproduction,20,41”
From Pubertal development and regulation (2016) · cites this paper as [20]
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Metadata
- Authors
- Wyshak, G., & Frisch, R. E.
- Venue
- New England Journal of Medicine
- Publisher
- Massachusetts Medical Society
- Published
- 1982-04-29
- Volume
- 306
- Issue
- 17
- Pages
- 1033-1035
- ISSN
- 0028-4793 (ISSN-L)
- 1533-4406
- OpenAlex
- W2110239433
- Cited by
- 448
- References
- 16
- Citations by year
- 2026: 2 · 2025: 9 · 2024: 12 · 2023: 23 · 2022: 15 · 2021: 11 · 2020: 19 · 2019: 18 · 2018: 15 · 2017: 10 · 2016: 15 · 2015: 12 · 2014: 19 · 2013: 18 · 2012: 19
- FWCI
- 5.48
- Type
- journal article
- Language
- en
- Open access
- green
- nrs.harvard.edu
- Licence
- cc-by
- Locations
- New England Journal of Medicine (publishedVersion)
- PubMed (publishedVersion)
- Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
- Topics
- Health Sciences › Medicine › Reproductive Medicine › Hypothalamic control of reproductive hormones
- Social Sciences › Arts and Humanities › History › Historical Studies on Reproduction, Gender, Health, and Societal Changes
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Historical Economic and Social Studies
- Keywords
- age at menarche, secular trends, menarche timing, European women, American women, pubertal timing
- MeSH terms
- Adolescent, Age Factors, Altitude, Environment, Europe, Physical Exertion, Female, Growth, Humans, Menarche, Statistics as Topic, United States
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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