Fertility The researchers from Queen's University of Ireland study of annual Conference of the British fertility society says The sildenafil adverse effect on male fertility. The new study found that viagra not only activates the sperm but thejeha in too early secreted enzymes was not excreted only when sperm meets egg (female), because these enzymes that help the sperm on the egg membrane to defrost, and repeated that adversely affect male fertility. Irish researchers have observed through experiments on mice that had fallen to the fertility of female rats who were their pollination by male rats who injected with doses of viagra. It also confirmed the results by examining the cases of 45 men, their sperm samples are taken after they inject drug equivalent dose viagra 100 mg tablet. And some 79% of the sperm of men who used viagra to ova "depleted" (free) of enzymes and is not able to penetrate the egg and fertilization. Having concluded the research te...