I started taking dianne 35 last december 1 during my first day of period and finish dec. 21 and had period december 25 during the the 3rd day of seven days off from pill.. i started again new pack last december 29, 2014 , dec 30 and 31 same time no missed pill until january 18, 2015 , my boyfriend and i had unprotected sex early mornng of january , 2015 I am now on my 4th day of 7 days off from pill until now no period only mild discharge yellowish on my underwear brownish.. my question is there is possiblity taht iam pregnant?? beacuse until now i have no period.. thanks