Ejaculating more frequently may improve sperm quality – new study

Mar 25, 2026 · 731 words · By Irem Sepil; Krish Sanghvi; Rebecca Dean

Analysis Summary

Propaganda Score: 0% (confidence: 95%)
Summary: The article discusses scientific findings on male fertility, explaining how sperm quality declines with storage time both in males and females. It highlights factors like oxidative stress and energy depletion as causes of sperm deterioration and suggests that using freshly ejaculated sperm could improve fertility outcomes.

“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.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to confirm or refute claims about female egg aging.

“Sperm are produced continuously from puberty onwards and can be stored in the reproductive tract before ejaculation.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to verify sperm production/storage claims.

“Abstinence increases sperm count.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to assess abstinence's effect on sperm count.

“Sperm stored during sexual abstinence 'age' and deteriorate in quality.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to evaluate sperm quality deterioration during abstinence.

“A study analyzing data from 115 published studies involving nearly 55,000 men found that sperm quality declines with abstinence.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to verify the referenced study on sperm quality and abstinence.

“Oxidative stress contributes to sperm deterioration during storage.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to confirm oxidative stress's role in sperm deterioration.

“Energy depletion leads to sperm deterioration during storage.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to assess energy depletion's impact on sperm storage.

“The World Health Organization advises against ejaculating two to seven days before providing a sperm sample for analysis.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to verify WHO's ejaculation timing recommendations.

“Ejaculating within 48 hours of providing a sperm sample improves IVF treatment outcomes.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to evaluate abstinence duration's effect on IVF outcomes.

“Frequent ejaculation from masturbation improves the quality of ejaculates in primates.”

❓ INSUFFICIENT EVIDENCE — No evidence in archive to assess primate ejaculation frequency and ejaculate quality.

“Sperm quality declines during storage across 56 studies of 30 animal species.”

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“Using freshly ejaculated sperm for fertilization can improve fertility outcomes by enhancing sperm quality.”

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“Embryos produced from stored sperm have lower survival chances compared to those from freshly produced sperm.”

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“Sperm deteriorate after mating when stored inside females.”

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“Sperm deteriorate more slowly inside females than inside males due to antioxidant secretion by female reproductive organs.”

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“Sperm, like eggs, have a 'use-by date' after production, with quality deteriorating if stored too long.”

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“In some animals, sperm can be stored for months or years inside females before fertilization.”

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