Selenium–vitamin E supplementation in infertile men: effects on semen parameters and pregnancy rate

Figures & data

Table 1 Demographic data

Total number of cases	855
Lost to follow-up cases	165
Final number of eligible cases	690
Cases with primary infertility	752
Cases with secondary infertility	103
Mean age and range (years)	28.5 and 20–45

Table 2 Results of treatment on the basis of semen analysis improvement or drug-induced spontaneous pregnancy

Quality of improvement	Motility improvement of at least 5%	Motility improvement of at least 10%	Improvement in both motility and morphology	Morphology (only) improvement	Spontaneous pregnancy	No difference in semen analysis
Number of cases	144 cases (20.5%)	155 cases (22.5%)	42 cases (6%)	21 cases (3%)	75 cases (10.8%)	253 cases (36.6%)
Semen analysis before treatment	Normal motility mean 10%–30%	Normal motility mean 10%–30%	Normal morphology mean, normal motility mean 1%, 10%–30%	Normal morphology mean 1%	Normal morphology mean, normal motility mean 1%, 10%–30%	Normal morphology mean, normal motility mean 1%, 10%–30%
Semen analysis after treatment	Normal motility mean 15%–35%	Normal motility mean 20%–40%	Normal morphology mean, normal motility mean 6%, 15%–35%	Normal morphology mean 6%	No semen analysis was done after spouse pregnancy	Normal morphology mean, normal motility mean 1%, 10%–30%