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 team leader-Dr Sheena Lewis-discussed that viagra made in the basis for treatment of patients with Ed, but seem to have a negative impact on fertility doctors must heed it.
But the General Secretary of the European society for sexual medicine John Dean said that laboratory results do not reflect exactly what happens in the body, especially the sperm become more sensitive when a change in the environment around them.
The research team tried to in their research lab conditions comparable to those that occur in the body, and are in the process of conducting research on patients who physically abuse viagra. Initial results indicated on these 17 people that the drug works on provocation as their sperm.
Viagra tablets have been known since the US produced by Pfizer in 1998 as a treatment for impotence. And achieved the highest sales of the drug in the history of the United States of America, where statistics are described for more than 16 million men around the globe, who ate without a doctor's prescription.
Viagra was discovered by accident in 1994, when Dr. Ian Osterloh and his team are conducting research for Pfizer pharmaceutical, new material to treat Angina and high blood pressure.
The Panel found that the side effects of the drug on patients observed erection after taking the drug. The Group of stallions to develop treatment for angina and hypertension, to treat impotence.
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