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Viagra Mars Menís Fertility

by Dr. Sunil Shroff on  February 26, 2008 at 3:21 PM Menīs Health News   - G J E 4
Viagra Mars Menís Fertility
A new British study suggests that though Viagra may enhance sexual performance of men, it may hamper the fertility.
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Researchers at the Queen's University in Belfast have found that young men who take the anti-impotence drug recreationally could be damaging their sperm quality, thus spoiling their chances of starting a family.

Dr David Glenn, a consultant gynaecologist at Queen's University Belfast, carried out two experiments to find the effects of Viagra.

In the first experiment, the researchers bathed sperm samples in weak solutions of Viagra to mimic the level found in the blood of a man who has taken a single pill.

They found that Viagra made sperm more active than untreated sperm, but it also appeared to damage the acrosome - the part containing the enzymes needed to break down the membrane surrounding a woman's egg to allow sperm to fertilise it.

'Essentially the acrosome breaks open too early in sperm that has been exposed to Viagra,' Newscom.au quoted Dr Glenn, as telling The Observer.

'The sperm cannot get into the egg and so it is not fertilised,' he added.

The other experiment found mice that had been given Viagra produced 40 per cent fewer embryos than other mice.

The study has raised concern that young men, who take the drug regularly either for impotence or recreationally could be unknowingly damaging their fertility.

It further indicated that fertility clinics that give the drugs to patients could be making the problem worse.

Professor Michael Chapman, a senior fertility specialist with IVF Australia, said he was aware of very few Australian clinics that suggested using Viagra for production of sperms.

'I've never used it because most men are quite capable of producing a sample without it, and for the occasional man who isn't, we use a frozen sample where performance anxiety is not an issue,' he said.

He believed that Viagra use among younger men would be restricted, with men in their post-fatherhood years most likely to take the drug.

'It hasn't yet been demonstrated in humans and we also don't know how long-lasting (the effect) it is,' he said.

'But if you're a young man and you're using it regularly then I'd suggest you probably shouldn't if you're planning a family,' he added.

Source: ANI
SUN/K

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