I've been on birthcontrol for about 2 months now..i was abstinence from for 6 months {and had for the ?

...first time a month after being on birth control}i am a forgetful person at times sorry to say because i have a busy like and so many things r going on...so probably since like the 3rd week of takin bc i havent taken them at the same time everyday but wen i remembered i took it..sometimes it was da next day..or hours later{bad i know..but it didnt matter in the beginning since i wasnt havin ..but it matters now} I am in a relationship... for the first week{of being on bc for a month}..we used a condom. and we have not even since..week have on average 3 different occasions n a week. and this has been non stop since then.. my last period was Oct. 9th..and i have a 31 day cycle..so that put my ovulation day at the 26th of october..i know ur fertile the day before and after..and of course that day..well that weekend i was at my mans{no explaining necessary =\...so i am expecting my period November 9th of this month. i've been feeling weird this past week... 3 days ago...i woke up in the morning feeling nauseated. then what i wha i felt like was a fever came over me..bo