article_snippet: Dr Alan Pacey, a fertility expert at the University of Sheffield said: 'We don't have enough donors in the UK to meet the national need.
article_snippet: We don't have the clinic infrastructure sufficient to recruit enough donors - even when men want to donate. '
article_snippet: Often there simply isn't the size and scale within small NHS clinics to consider having a donor recruitment programme - plus if you're not confident that sufficient men are going to ring up and become sperm donors, the economics of it simply aren't going to work.'