“…It is characterized by recurrent pneumothoraces, in perimenstrual period, usually occurring within 72 hours before or after onset of menstruation [1,8,10], mostly in the right hemithorax [1,4,6,8,10]. It corresponds to 3-6% of cases of recurrent spontaneous pneumothorax and a third of all cases of spontaneous pneumothorax in women at reprodutive age [1,2,4].…”