As reproductive tissues age, DNA repair mechanisms become less efficient, causing genomic damage to accumulate.
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Researchers identify a nerve growth factor in semen that stimulates ovulation in certain mammals, and which could shed light on human infertility.
Opinion is divided on a new paper showing that adult ovaries do not contain egg-making stem cells, contrary to the findings of two recent studies that themselves appeared to overturn longstanding dogma.
Zapping testicles with ultrasound appears to reduce sperm counts to low levels in rats.
Older male mice sired offspring that had more copy number mutations, including several linked to autism and schizophrenia
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