We had sex on 25thDec with a condom.I also took ipill within an hour.On 6Jan I got brown mucus like discharge thrice.7Jan I got little red blood discharge semi mucus like and also brown musuc-like. On 8Jan i have got blood discharge & very less brown. My periods are due 12-13 Jan. What can be cause?Am I pregnant? I dont want to be. Please help. very worried. Help appreciated !Thanks