File:USA mean age of mother 1970- 2010 graph.png
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USA mean age of mother for all births and mean age of mother at first birth (1970- 2010)
Mean age at birth is the arithmetic average of the age of mothers at the time of the birth, computed directly from the frequency of births by age of mother and live birth order (first).
- Links: birth | Genetic risk maternal age
Reference
CDC/NCHS, National Vital Statistics System.
http://www.nationalacademies.org/hmd/~/media/E8BDB5CA2D3F42EF87608AEF0904F850.ashx
Cite this page: Hill, M.A. (2026, Mayıs 13) Embryology USA mean age of mother 1970- 2010 graph.png. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:USA_mean_age_of_mother_1970-_2010_graph.png
- © Dr Mark Hill 2026, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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