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Number of embryos transferred (<35 years of age)
5 4.5 4 3.5 3 2.5 2 1.5 1
CDC Data
Possible reasons for increase in pregnancy rates
• Improvementsinlaboratorycultureenvironment
• Controlledovarianstimulation
• Better assessment of embryos
• Oversight‐ SART CORS and CDC
• Embryotransfertechnique
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PRECONGRESS COURSE 14 I BARCELONA, SPAIN – 1 JULY 2018 13