[Reproductive risks in aging males].
OBJECTIVE
To review the literature on the association between male age and semen quality, fertility status and reproductive risks.


METHODS
Review.


METHODS
Centre for infertility diagnosis and treatment Sanatorium Pronatal, Prague.


METHODS
Review of English language-published research over the last 20 years using MEDLINE.


RESULTS
The modification of gamete production in aging males is more qualitative than quantitative. However, aging of testes not only influences the individual, but through the gametes also offspring with increased risk of chromosomal, gene and behavioral abnormalities.


CONCLUSIONS
It seems reasonable and consistent to recommend that both men and women complete their family before age 40 if possible.
Mardesić
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D000375:Aging / Q000502:physiology*; D025063:Chromosome Disorders / Q000209:etiology*; D005298:Fertility; D006801:Humans; D012307:Risk Factors; D013091:Spermatogenesis