hello, i had put copper-t in may of this year that is 5 months back, all these months my period was on date but this month i did have till now, my date on which i was supposes to have my period was on 27th of september 2012, but still i haven t had. a week before that i had fever and cold , so i had to take antibiotics from a doctor, does that medicine had a role in postponing my periods, iam having all the symtoms of having period like cramps leg pain etc. pls let me know wht am i suppose to do?