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Table 1 Outcome parameters in Group I (pronuclear zygote morphology)

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

Pattern of embryos transferred

"0"

"Other"

p

Number of cycles

109

140

 

Maternal age (mean ± SD)

30.7 ± 3.9

31.3 ± 3.7

>0.5

Total number of embryos transferred

190

269

 

Mean ± SD embryos/cycle

1.7 ± 0.5

1.9 ± 0.5

0.033

Biochemical pregnancies

58

74

 

bPR (%)

53

53

>0.5

Clinical pregnancies

50

65

 

cPR (%)

46

46

>0.5

Number of gestational sacs by US

66

78

 

IR (%)

35

30

>0.5