The notion that women are less competent before or during their periods was exploded in 1914 by Leta Stetter Hollingworth, who gave 23 women a battery of tests over the course of several months and found no discernible pattern to the results. Yet it persists. Women themselves constantly attribute clumsiness and bad moods to PMS, as if they would invariably be calm and cheerful and supercompetent were it not for the menstrual cycle.Katha Pollitt, The last taboo: why is menstruation still a curse?.
originally posted by xowie