Cause of 'unexplained infertility' in one third of couples revealed
The study also showed that the chances of having a baby after IVF is closely related to the amount of DNA damage a man has in each of his sperm. A little damage is normal (under 15 per cent per sperm), as is seen in the sperm of fertile men. But if the damage reaches clinically important levels (high sperm DNA damage more than 25 per cent per sperm) it will reduce the couples’ chances of a family, even with some forms of fertility treatment.
The research was carried out using a unique test for male fertility called the SpermComet.
“With one million couples worldwide requiring fertility treatment, these new research findings will give many fresh hope of having a family,” Professor Lewis noted.
The finding was published in Reproductive Biomedicine Online.
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