The 2010 WHO Global Burden of Disease Study estimated that 120 million couples experience infertility worldwide. 1 In 2011, approximately 2 million assisted reproductive technology (ART) cycles were performed, resulting in an estimated 500 000 newborns according to the latest report of the International Committee for Monitoring Assisted Reproductive Technology (ICMART). The cumulative live birth rate per ART cycle increased from 25.2% in 2006
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