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Temporal Trends in Fertility Rates: A Nationwide Registry Based Study from 1901 to 2014
OBJECTIVE: Increasing age at first childbirth has been suggested to increase the risk for infertility. Our objective is to determine whether women above thirty years of age historically have been able to sustain fertility rates above replacement level. DESIGN: A descriptive nationwide Danish study u...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4668020/ https://www.ncbi.nlm.nih.gov/pubmed/26630399 http://dx.doi.org/10.1371/journal.pone.0143722 |