A wide variety of disorders, medications, physical factors, and trauma can alter testicular
function and reproductive function in men as they age. There are no precise age limits for …

Owing to the demographic development, the aging male will require more consideration in
future. In contrast to a rapid decline of estradiol during menopause in women, the process of …

Spermatogenesis as well as the synthesis of testosterone in the human testis is a lifelong
process that also persists in aging men. However, spermatogenic efficiency estimated by the …

Although the effect of ageing on female fertility has been well documented, the reproductive
functions of ageing males have been less extensively investigated. Unlike females, males …

Long-standing beliefs have associated aging in men with declines in sexual performance,
sex steroid serum levels, and fertility. Critical analysis of recent data, however, indicates that …

As men age, their reproductive functions, both spermatogenesis and testosterone
production, diminish, but slowly and to a relatively small degree. The fall in testosterone …

The morphological and histological changes related to testicular aging are: volume
decrease, arteriolar sclerosis, degeneration of Leydig cells and Sertoli, depletion of germ …

To evaluate the fertilizing capacity of spermatozoa from elderly men, ejaculates from 29
older fathers (mean age 503 years) were compared with those from 35 younger fathers …

Aging in men is associated with modest changes of the secretory and regulatory functions of
the hypothalamic-pituitary-testicular axis. Similarly, some age-related changes in …

The increase in male life expectancy has raised issues concerning the impact of aging on
the endocrine system and male fertility. This review focuses on the relationship of …