Research published (Thursday 28 October) in Europe’s leading reproductive medicine journal Human Reproduction[1], has found evidence that women with endometriosis[2] are at higher risk of having migraine. A team from the University of Genoa in Italy studied 133 women with endometriosis and a control group of 166 women, and found that the prevalence of migraine was significantly higher among the women with endometriosis. Double the number of women in the endometriosis group had migraine compared with the controls.