Men 'less fertile' after 35

07 Jul 2008

Women are less likely to become pregnant if their partner is over the age of 35, research has shown.

In a study of more than 12,000 couples at the Eylau Centre for Assisted Reproduction in Paris, it was revealed that it is not just women whose age is an important factor in fertility.

"Men over 35 had a negative effect on pregnancy rates," said research head Dr Stephanie Belloc. "And, perhaps more surprisingly, miscarriage rates increased where the father was over 35."

She added that the study has "important implications" for couples who are planning a family and that the issue needs further investigation.

The research revealed that women over the age of 35 had an 8.9 per cent of becoming pregnant, compared to 14.4 per cent for younger ladies.

Commenting on the study, the Daily Express warns that alcohol, cigarettes and an unhealthy diet can damage the DNA in sperm before men are 35.

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