Sterilisation is a man's job, according to the facts

It's often the subject of bar-room banter and the subject elicits a sharp intake of breath with most men when it comes up, but the procedure is most successful on which partner when a couple's deciding who goes for the snip?

It seems gentlemen should be volunteering first, as the procedure is ten times more likely to be effective when undertaken by them. The failure rate for female sterilisation is one in 200 compared to one in 2000 for vasectomies in men.

Women also have to have a general anaesthetic, spend longer in hospital and suffer more complications.