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Study Links Sperm Storage to DNA Damage and Motility

3/25/2026

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Summary

Story summary

A meta-analysis in Proceedings of the Royal Society B analyzed data from 115 studies involving nearly 55,000 men, linking longer sperm storage to DNA damage and reduced motility.
The analysis finds that abstinence can increase sperm quantity but may compromise quality, requiring a balance for optimal fertility.
It notes only a modest impact on fertilization rates in men.
In animals, similar effects are associated with lower fertilization success.

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Story summary

A meta-analysis in Proceedings of the Royal Society B analyzed data from 115 studies involving nearly 55,000 men, linking longer sperm storage to DNA damage and reduced motility.
The analysis finds that abstinence can increase sperm quantity but may compromise quality, requiring a balance for optimal fertility.
It notes only a modest impact on fertilization rates in men.
In animals, similar effects are associated with lower fertilization success.