Men who drink two cups of coffee a day could double their chance of becoming a father, study suggests


Men who drink just two cups of coffee a day could double their partner’s chance of falling pregnant.

A new study of 500 couples trying for a baby suggests caffeine in the week before a couple has sex might increase the chance of conception.

The research presented at the American Society for Reproductive Medicine annual conference in Denver found caffeine intake in men doubled the chance of pregnancy.

However, women who drank alcohol before and after ovulation reduced the likelihood of pregnancy.

Dr Sunni Mumford, the lead author of a study from the US National Institutes of Health, said: “We were somewhat surprised by the results through the research on male caffeine intake and its effects on fertility is pretty mixed.

“These results highlight the importance of lifestyle factors in both male and female partners during sensitive windows of reproduction to influence fecundability, and the need for appropriate preconception guidance for couples seeking pregnancy.”


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