Scientists have released data showing that the quality of sperm in men peaks in summer and is lowest in winter. The highest sperm motility is observed in June and July, regardless of individual characteristics.
Seasonal effects on fertility
Scientists have found that the quality of sperm in men changes throughout the year. The peak of sperm motility was recorded in the summer months of June and July. This is typical even for the same people, which emphasises the seasonal nature of the phenomenon.
In winter, on the contrary, there is a decline in sperm quality. Researchers attribute this to less favourable conditions for the body in the cold.
Possible reasons for seasonal fluctuations
Experts note that the improvement in sperm quality in summer is associated with exposure to sunlight, changes in diet and general physical activity. During this period, the human body perceives the environment as more comfortable.
Sun, an active lifestyle and a varied diet can have a positive impact on men's reproductive health. In winter, these factors become less pronounced, which is likely to lead to a decline in sperm quality.
Constancy of the phenomenon in different people
Studies show that seasonal changes in sperm quality are observed in the same men year after year. This indicates that the phenomenon is stable and repeatable, regardless of individual characteristics.
Scientists emphasise that these results can be useful for family planning and understanding the impact of the environment on reproductive health. Read more about the impact of seasonality on health in the Health section.
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