US EditionThe hidden cost of sperm storage: Ejaculates found to deteriorate across the animal kingdom
- Research from Oxford University suggests sperm quality declines when stored, challenging the notion that longer abstinence improves outcomes as men who ejaculate more often may produce better quality sperm.
- Sperm deterioration stems from energy depletion and oxidative stress, a form of biological "Rust" that accumulates during storage, causing rapid quality loss due to limited repair capacity.
- Current World Health Organization guidelines recommend two to seven days of abstinence, but researchers suggest shorter durations are better, as evidence supports ejaculating within 48 hours to improve IVF outcomes.
- Rebecca Dean from the University of Oxford stated that sperm have a "Use-by date" after production, while Krish Sanghvi noted ejaculates should be viewed as populations undergoing birth, death, and ageing.
- While sperm storage is modifiable, Doctor Bobby Najari stated that a varicocele may be the "Most common cause of infertility" in two out of five couples, though genetics remain outside control.
19 Articles
19 Articles
Ejaculating more often may boost sperm motility and reduce DNA damage
When it comes to reproduction, female biology is often described in terms of a ticking clock. Women are born with most of their lifetime supply of eggs, meaning that a woman's age is usually the same as the age of her eggs. Older women therefore produce older eggs.
For decades, the field of assisted reproduction, urology and popular sexual culture have associated quantity of sperm with quality or, directly, with greater reproductive effectiveness. Now, a new study, the most far reaching to date, questions that idea and points out that ejaculating with a certain frequency improves the quality of seminal fluid and, therefore, the chances of achieving a pregnancy.Keep reading...
Why It's Good to Jack Off Frequently, According to Science
🌘Subscribe to 404 Media to get The Abstract, our newsletter about the most exciting and mind-boggling science news and studies of the week. Regular ejaculation — for example, by masturbation — produces higher quality sperm, a finding that has implications for fertility science and assisted reproductive technologies, according to a comprehensive new study published in Proceedings of the Royal Society B. It’s well-established that sperm quality i…
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