Five or more cups of coffee a day reduce the chance of IVF success by around 50 percent

Five or more cups of coffee a day reduce the chance of IVF success by around 50 percent: Women who drink five or more cups of coffee a day severely reduce their chance of success from IVF treatment. Indeed, Danish investigators who followed up almost 4000 IVF and ICSI patients described the adverse impact as "comparable to the detrimental effect of smoking."