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. 2010 Mar 29;12(3):376–380. doi: 10.1038/aja.2010.7

Table 2. Semen parameters of those men whose female partners became spontaneously pregnant.

  Number Minimum Maximum Mean SD
Baseline semen volume (mL) 11 2.20 4.50 3.50 0.73
Baseline sperm concentration (million/mL) 11 3.00 68.00 28.47 24.77
Baseline sperm motility (%) 11 20.00 70.00 44.00 14.97
Baseline sperm morphology (%) 11 2.00 18.00 10.36 5.39
Semen volume at cycle 1 (mL) 11 1.00 5.00 2.83 1.15
Sperm concentration at cycle 1 (million/mL) 11 8.30 55.00 27.57 16.19
Sperm motility at cycle 1 (%) 11 11.00 90.00 56.00 23.34
Sperm morphology at cycle 1 (%) 11 6.00 32.00 16.54 7.98
Semen volume at cycle 2 (mL) 5 2.50 5.00 3.38 0.96
Sperm concentration at cycle 2 (million/mL) 5 5.00 63.00 33.60 24.49
Sperm motility at cycle 2 (%) 5 35.00 80.00 58.60 19.87
Sperm morphology at cycle 2 (%) 5 3.00 25.00 16.00 9.00