A scientific study1 has suggested that high levels of sperm DNA fragmentation is linked to lower live birth rates for couples undergoing assisted reproductive techniques – and ICSI is likely to be more successful than IVF for men in this situation. ICSI (intracytoplasmic sperm injection, to give it its proper

Would be fathers often ask if there is anything they can do to get their sperm into tip-top condition. Here, top sperm-expert Allan Pacey, Professor of Andrology at the University of Sheffield, gives his top ten suggestions.