i dont know whats goin on....i take birthcontrol...some times late taking 2 pills the next day but i have been on it for 4 months and another kind for like a year...my boyfriend has used a condom each time....and i am still a week and 2 days late...i have taken the pregnancy tests 2 for that matter and they are both negative....but if i am not pregnant what is wrong with me why am i so late?