British scientists have developed a revolutionary pill that men could take as a one-off contraceptive just before a date. The tablet would prevent a man from being able to impregnate a woman, but within a few hours his fertility would return to normal. This would make it much more acceptable to men than other 'male pills' under development, which alter hormone levels and have to be taken over the long term. It is also more likely to be trusted by women as they are not relying on their man having to remember to take his pill every day for it...
