Endocrine Abstracts

Sperm dysfunction is the single most common cause of infertility and affects approximately 1:15 men. Studies using semen assessment as the criteria for sub fertility (sperm concentration <20×106/ ml) show that 1:5 18 year olds are classed as sub-fertile. Thus, male sub-fertility is a very significant global problem and, what is most worrying, is that the recent reports suggesting that its prevalence is increasing. There is an urgent requirement to develop new a...