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Decline in age at menarche among Spanish women born from 1925 to 1962
BACKGROUND: While the timing of reproductive events varies across populations, a downward trend in age at menarche has nevertheless been reported in most of the developed world over the past century. Given the impact of change in age at menarche on health conditions, this study sought to examine sec...
| Autores principales: | , , , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2796666/ https://www.ncbi.nlm.nih.gov/pubmed/19961593 http://dx.doi.org/10.1186/1471-2458-9-449 |