Study assesses link between caffeine, alcohol consumption and fertility treatment outcomes

A recent analysis published in Acta Obstetricia and Gynecologica Scandinavica found no association between women’s caffeine consumption and pregnancy or live birth rate after fertility treatments, but women’s alcohol consumption was associated with a decreased pregnancy rate after treatments when the weekly consumption was greater than 84 g (approximately 7 standard drinks).

Additionally, alcohol consumption in men was associated with a lower live birth rate after fertility treatments in women when weekly consumption was greater than 84 g.

The analysis included all relevant studies published before July 15, 2022. A total of 7 studies on caffeine consumption and 9 studies on alcohol consumption were included, with a total of 26,922 women and/or their spouse who has undergone fertility treatment.

Compared to abstainers, the odds of getting pregnant after fertility treatment decreased by 7% for women who drank 84 g of alcohol per week, and the odds of partners achieving a live birth decreased by 9% for men who consumed 84 g of alcohol per week.

“Couples should be aware that certain modifiable lifestyle factors such as drinking habits can affect the results of their fertility treatment. But the impact of these factors on the reproductive system still requires more research to be elucidated,” said corresponding author Yufeng Li, MD, of Tongji Hospital, China.


Journal reference:

Rao, W. et al. (2022) The association between caffeine and alcohol consumption and IVF/ICSI outcomes: a systematic review and dose-response meta-analysis. Acta Obstetricia And Gynecologica Scandinavica.

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