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Table 2 Effects of progressive motility in IVF

From: Sperm quality and paternal age: effect on blastocyst formation and pregnancy rates

Progressive motility (%) <32 >32 P value
Mean maternal age (years ± SD) 34.68 ± 4,17 34.31 ± 4.76 0.8207
Number of IVF 22 836  
Mean number of inseminated oocytes ± SD 10.14 ± 7.43 9.81 ± 5.39 0.7195
Fertilization rate (%) 47.98 67.05 <0.0001
Mean number of embryos at day 2 ± SD 5.18 ± 4.47 6.82 ± 4.45 0.0263
Mean number of embryos at day 3 ± SD 4.77 ± 4.14 6.14 ± 4.11 0.0746
Mean number of embryos in prolonged culture ± SD 2.64 ± 3.81 3.90 ± 4.04 0.0972
Mean number of obtained blastocysts ± SD 1.59 ± 2.99 2.06 ± 2.58 0.0792
Rate of blastocyst formation (%) 60.34 52.90 0.2601
Mean number of transferred blastocysts ± SD 0.045 ± 0.213 0.106 ± 0.312 0.6314
Mean number of frozen blastocysts ± SD 0.682 ± 1.550 1.000 ± 1.770 0.25563
Rate of useful blastocysts (%) 45.71 53.65 0.3511
Rate of clinical pregnancy (%) 33.30 37.60 0.7138
Rate of miscarriage (%) 50.00 21.60 0.7155
  1. SD standard deviation