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The hard facts about sperm.

Some couples believe men should hold their sperm "in" for days or weeks to improve its quality, experts said yesterday.

But studies suggest sperm becomes less effective if a couple wait for long stretches between sex.

Researchers have now discovered that while waiting two or three days is fine for most couples, some men should ejaculate more often. A study found that getting men with damaged sperm to ejaculate daily improved its quality when couples underwent IVF.

Sydney researchers studied 42 men with abnormal sperm structure. The men ejaculated daily for a week and the samples were compared with ejaculation after three days' abstinence. A total of 37 patients had less sperm damage if they ejaculated daily, compared with after three days.
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Publication:The Birmingham Post (England)
Date:Oct 16, 2007
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