What Are Side Effects Of Taking Deviry?

Hi,doctor.I am 23 year old unmarried woman with polycystic ovary and my menstrual cycle is irregular.since my period is delayed for 3 month my doctor prescribed to take deviry-10my for 7days whenever its delayed.i am suffering from migrane and gas trouble.my father had cancer and mother had fibroid uterus.my TSG,INSULIN,FBS,TOTAL blood counts are normal.taking the medicine deviry is dangerous?does it has any serios side effects like cancer?if i dont take medicine it will cause sterility?pcod is curable?my weight is 6okg,height 155 cm