You started the pill on the day your period started which was 2weeks ago during your period your boyfriend came inside you a week ago can you become pregnant?

It is almost assured that it takes atleast 2 weeks for a form of contraception such as the "pill" to take effect and do as it is designed to do. Which is to regulate ovulation and prevent pregnancy. Your question was quite confusing however... Did you start your pack of pills on a Sunday and also start your period on this same Sunday? Did you mean that your boyfriennd came inside of you exactly 2 weeks from this day of starting the pill and period? This could be risky. The hormones in the pill may not have had enough time to perform the job that they are designed to. If you do not get your period after 2 - 4 days after this Birth Control pill pack ends, please see your ob/gyn. Do not start your next pack until you do.