Trying to have a baby? New formula predicts woman"s chance of falling pregnant

Trying to have a baby New formula predicts woman's chance of falling pregnant The average 25-year-old woman who has been trying for six months, has a 15 per cent chance of conceiving in the next month | UPDATED: 01:06 GMT, 5 October 2012 A formula that predicts a woman’s chances of pregnancy has been devised by scientists.