But Dr Allan Pacey, a male fertility expert from Sheffield University was more cautious.
BBC: NEWS | Health | Surgery 'restores male fertility'
Even more controversial has been the suggestion that male fertility could be improved by correcting the varicocele by surgery.
There is already evidence that adequate selenium in the diet may be protective against cancer, and perhaps have an impact on male fertility.
BBC: Poor diet 'boosts virus power'
Among them is Zeneca, where researchers are working on a way of controlling male fertility in maize for the production of hybrids a sort of green vasectomy that can be turned on and off at will.
ECONOMIST: Terminator genes
The study also points out the male role in multiple fertility families.
FORBES: Multiple Baby Daddies Can Make You Poor
Professor Ian Craft, director of the London Fertility Clinic, said the impact of male fecundity had not been extensively researched.
BBC: Men 'have a biological clock'
应用推荐
模块上移
模块下移
不移动