According to a study published in the Andrology journal moderate alcohol intake appeared positively associated with sperm quality. The study was made between September 2014 and December 2016, on a sample of 323 male patients.
As the study states, in most cases sperm quality does not always have a clear explanation, but there is evidence linking lifestyle habits with male fertility. One of lifestyle habits is definitely drinking alcohol.
This surprising study defines, moderate drinking of alcohol as 4-7 units per week and the comparison with the men that drank less alcohol (1-3 units per week) and the men that drank more alcohol (more than 8 units a week) showed that the moderate consumers of alcohol had bigger semen volume and total sperm count.
It’s hard to say what is 1 unit of alcohol equal to, because it depends on the type of the drink and alcohol %.
NHS created this simple guide for alcohol units that you can use for having a better idea, or you can use the alcohol units calculatort o be able to control how many units you consume:
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