I have been having sex/taking birth control pills (Ocella) for two months now. In the first few days of this month, I either lost a pill or accidentally took two in one day. The only way I know this is because I was a day ahead of myself in the pack (like I was taking my Tuesday pill on Monday.) I have continued taking the pills daily anyway and am planning on just starting next month's pack on time. Anyway, my boyfriend and I have used a condom all month except for one penetration (for only a few seconds, no ejaculation) earlier in the month, and then unprotected sex (no ejaculation) on the first day of the placebo pills. I am on my fourth day of placebos now and still no period. I'm really nervous! What are the chances I could be pregnant? It's stressing me out.