A woman has shared how she suffered from panic attacks and low mood for years before being diagnosed with the chronic condition behind her symptoms . Polly Martinovic, 29, is one of the 31 million women and girls globally thought to be living with premenstrual dysphoric disorder (PMDD). According to Mind , PMDD is a 'very severe form of premenstrual syndrome' that 'causes a range of emotional and physical symptoms every month during the week or two before your period.' The mental health charity