Women who drink five cups of coffee a day "halve" their chance of successful IVF treatment

Women who drink five cups of coffee a day 'halve' their chance of successful IVF treatment Drinking five or more cups of coffee 'reduces clinical pregnancy rate by 50% and the live birth rate by 40%' | UPDATED: 10:18 GMT, 3 July 2012 Women who drink five or more cups of coffee a day halve their chance of successful IVF treatment, according to a study.