I am sona,32 yrs lady.pefect health,no smoking,working lady.very busy shedule.i was taking BC pill Dronis 20 for 4.5 yrs.It was perfect for me.no problem.from last one month i am off pill.my normal period came back.I tried copper-t one week back.But today i removed.i was feeling pain,fever,chills,nausea.now what to do for avoiding preganancy.