Scientists Urge More Care In Selection Of Normal-Looking Sperm

Intracytoplasmic sperm injection (ICSI), where a single sperm is injected into an egg to fertilise it, is increasingly used to help infertile men father children. Although the sperm chosen for the procedure may appear quite normal, researchers in the US have found that many of them in fact have DNA damage, which can decrease the chances of pregnancy. Mr.

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Filed under: Fertility on July 16th, 2008