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. 2015 Oct 5;5(10):e008213. doi: 10.1136/bmjopen-2015-008213

Table 3.

Age and live births in the reference cohort and general population from the same geographical area

Maternal age
Live births number
15 years 20–29 years 30–39 years 40 years
Reference cohort (n=3339), % 2010–2012 3.7 34.4 55.1 6.8 3451
General population from the same geographical area (n=106 265), % 2008–2010 2.3 32.4 59.5 5.8 107 461