Reproductive Biology and Endocrinology · 2014 · 73 citations · 52 references
Infertile men over the age of 40 y have a greater percentage of sperm DNA fragmentation compared to infertile men aged 40 y and below. Advanced paternal age (>40 y) may increase the risk of sperm DNA damage in infertile men.
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Maternal age and fetal loss: population based register linkage study
Anne‐Marie Nybo Andersen · BMJ · 2000 · 1.7K citations · Full text
Decline in Semen Quality among Fertile Men in Paris during the Past 20 Years
Jacques Auger, Jean Marie Kunstmann, F Czyglik et al. · New England Journal of Medicine · 1995 · 1.1K citations · Full text