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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Biochem Pharmacol. 2020 Sep 25;182:114247. doi: 10.1016/j.bcp.2020.114247

Table 1.

Percentage of pregnant women with maternal age ≥35 years in representative Eastern and Western countries

Eastern Countries % Pregnant women age ≥35 years Western Countries % Pregnant women age ≥35 years
China (2010–2011) 9 Australia (2000–2005) 20.2
India (2010–2011) 3 Canada (2002–2007) 14.7
Nepal (2010–2011) 3 Norway (1999–2006) 15.9
Philippines (2010–2011) 15 Sweden (1997–2006) 18.1
Thailand (2010–2011) 15 UK (1997–2006) 17.1
Vietnam (2010–2011) 10 USA (1998–2007) 22.0
Average 9.2±2.2 Average 18.0±1.1*
*

Average % of pregnant women with maternal age ≥35 years is significantly greater (p<0.05) in Western versus Eastern countries. References: [149, 153]