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Table 2 Outcome parameters in Group II (cleavage rate)

From: Evaluation of day one embryo quality and IVF outcome – a comparison of two scoring systems

Cleavage rate of embryos transferred EC embryos NEC embryos p
Number of cycles 120 152  
Maternal age (mean ± SD) 30.6 ± 3.6 31.4 ± 3.8 >0.5
Total number of embryos transferred 214 291  
Mean ± SD embryos/cycle 1.8 ± 0.5 1.9 ± 0.5 >0.5
Biochemical pregnancies 73 70  
bPR (%) 61 46 >0.5
Clinical pregnancies 67 58  
cPR (%) 56 38 0.003
Number of gestational sacs by US 82 77  
IR (%) 38 27 0.006