Imagine a future where a diagnosis of untreatable male infertility is no longer the end of the road – because science has found a way to produce human sperm from lab-engineered testicular tissue. This ...

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Scientists warn that storage may cause sperm to lose quality over time, raising new concerns about fertility and conception ...

Longer abstinence was linked to sperm DNA damage and poorer movement, which can reduce sperm’s ability to fertilize an egg.