Daily Sex Best For Good Sperm
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tipswanita
Jun 20, 2011, 12:23:57 PM6/20/11
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Daily Sex Best For Good Sperm
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http://tamanwangi.perempuanmelayu.info/2011/06/daily-sex-best-for-good-sperm.html
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By Emma Wilkinson
BBC News health reporter in Amsterdam
Having sex every day improves sperm quality and could boost the
chances of getting pregnant, research suggests.
In a study of men with fertility problems, daily ejaculation for a
week cut the amount of DNA damage seen in sperm samples.
Speaking at a fertility conference, the Australian researcher said
general advice for couples had been to have sex every two or three
days.
Early results from the trial had already shown promising results.
“ Perhaps we have been blaming the women as couples get older but
perhaps there's a contribution from the male because we're not
behaving as we should be ”
Dr David Greening Sydney IVF
But 118 men have now been tested and the benefits for sperm have
become clearer.
Dr David Greening, from Sydney IVF, told delegates at the European
Society for Human Reproduction and Embryology meeting that eight in
ten men taking part showed a 12% drop in sperm DNA damage after the
seven days.
Although there was a big drop in sperm numbers from 180 million to 70
million over the week, men were still within the normal "fertile"
range.
Sperm also became more active over the seven days with a small rise in
motility, he added.
Damage
The theory is the longer sperm hang around in the testes the more
likely they are to accumulate DNA damage and the warm environment
could also make them more sluggish after a while.
Sperm come under attack by free radicals - small reactive molecules
which can damage DNA and cause cell death - in the tube that stores
and carries sperm away from the testes.
Further work is needed to work out if daily sex for men without
fertility problems has the same benefits but Dr Greening believes it
is likely to be the case.
He warns that having daily sex for too long - say a fortnight - would
probably cut sperm numbers too much.
But recommended "lots of sex daily" around the time the woman is
ovulating.
He said it was best to "keep the river flowing".
As men age they may not have as much sex as they did when they were
younger, adding to the problem of infertility, Dr Greening told
delegates.
"We are designed to breed in our youth.
"Perhaps we have been blaming the women as couples get older but
perhaps there's a contribution from the male because we're not
behaving as we should be."
The findings may also have implications for couples undergoing IVF as
men are commonly told to abstain from sex for a couple of days to try
and boost sperm numbers.
Dr Alan Pacey, a fertility expert at the University of Sheffield, said
the finding that daily ejaculation improved the chances of conception
was interesting, but it would be wrong to apply the results to all
men.
"For example, in cases where men have low sperm counts to start with,
daily ejaculations may well reduce the sperm count still further and
whilst sperm may be more healthy the reduced numbers could impede the
chance of natural conception.
"The best general advice is that if couples are attempting to conceive
naturally, intercourse every couple of days will make sure the sperm
are as healthy as possible on each occasion.
"However, in preparation for IVF or ICSI treatment, this advice may
well change in response to medical test results like DNA damage
measurements."
Story from BBC NEWS:
http://news.bbc.co.uk/go/pr/fr/-/2/hi/health/8125934.stm
Published: 2009/06/30 10:04:17 GMT
© BBC MMIX
---- Iklan -----
Malaysia Open Source Conference 2011 (MOSC2011)
http://bit.ly/myoss2011
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Read it online
http://tamanwangi.perempuanmelayu.info/2011/06/daily-sex-best-for-good-sperm.html
Shopaholics! You’ll love this one
http://shopping.tipswanita.com/
By Emma Wilkinson
BBC News health reporter in Amsterdam
Having sex every day improves sperm quality and could boost the
chances of getting pregnant, research suggests.
In a study of men with fertility problems, daily ejaculation for a
week cut the amount of DNA damage seen in sperm samples.
Speaking at a fertility conference, the Australian researcher said
general advice for couples had been to have sex every two or three
days.
Early results from the trial had already shown promising results.
“ Perhaps we have been blaming the women as couples get older but
perhaps there's a contribution from the male because we're not
behaving as we should be ”
Dr David Greening Sydney IVF
But 118 men have now been tested and the benefits for sperm have
become clearer.
Dr David Greening, from Sydney IVF, told delegates at the European
Society for Human Reproduction and Embryology meeting that eight in
ten men taking part showed a 12% drop in sperm DNA damage after the
seven days.
Although there was a big drop in sperm numbers from 180 million to 70
million over the week, men were still within the normal "fertile"
range.
Sperm also became more active over the seven days with a small rise in
motility, he added.
Damage
The theory is the longer sperm hang around in the testes the more
likely they are to accumulate DNA damage and the warm environment
could also make them more sluggish after a while.
Sperm come under attack by free radicals - small reactive molecules
which can damage DNA and cause cell death - in the tube that stores
and carries sperm away from the testes.
Further work is needed to work out if daily sex for men without
fertility problems has the same benefits but Dr Greening believes it
is likely to be the case.
He warns that having daily sex for too long - say a fortnight - would
probably cut sperm numbers too much.
But recommended "lots of sex daily" around the time the woman is
ovulating.
He said it was best to "keep the river flowing".
As men age they may not have as much sex as they did when they were
younger, adding to the problem of infertility, Dr Greening told
delegates.
"We are designed to breed in our youth.
"Perhaps we have been blaming the women as couples get older but
perhaps there's a contribution from the male because we're not
behaving as we should be."
The findings may also have implications for couples undergoing IVF as
men are commonly told to abstain from sex for a couple of days to try
and boost sperm numbers.
Dr Alan Pacey, a fertility expert at the University of Sheffield, said
the finding that daily ejaculation improved the chances of conception
was interesting, but it would be wrong to apply the results to all
men.
"For example, in cases where men have low sperm counts to start with,
daily ejaculations may well reduce the sperm count still further and
whilst sperm may be more healthy the reduced numbers could impede the
chance of natural conception.
"The best general advice is that if couples are attempting to conceive
naturally, intercourse every couple of days will make sure the sperm
are as healthy as possible on each occasion.
"However, in preparation for IVF or ICSI treatment, this advice may
well change in response to medical test results like DNA damage
measurements."
Story from BBC NEWS:
http://news.bbc.co.uk/go/pr/fr/-/2/hi/health/8125934.stm
Published: 2009/06/30 10:04:17 GMT
© BBC MMIX
---- Iklan -----
Malaysia Open Source Conference 2011 (MOSC2011)
http://bit.ly/myoss2011
Shopaholics! You’ll love this one. Be granted access to private sales
up to 80% off designer brands.
http://shopping.tipswanita.com/2011/06/shopaholics-youll-love-this-one.html
Maxis reveals BlackBerry's New Tablet Device: BlackBerry PlayBook.
http://shopping.tipswanita.com/2011/06/maxis-reveals-blackberrys-new-tablet.html
What gives your tea its unique ummph?
http://shopping.tipswanita.com/2011/06/what-gives-your-tea-its-unique-ummph.html
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