What Causes Pregnancy Despite Taking Unwanted Pregnancy Pill?

Hi doctor....I suffer a problem.....I and my husband come to first sex meeting with take a unwanted pregnancy pill on 4th November,2014......But we are Unrestraine for a few second(15-20 second)Then we think that we are not success to carrying the pregnancy....then I am pregnant....We know that 38 days after....How is it possible? We dont know about this....Please Doctor clarify our quary....


Then I take mifty kit tab then start bleeding 24 hours after.....Bleeding was continue 25 days....Then I take 5 tabs of Pause-500 for stop the bleeding....Stop this at now.... Is it a problem for our future life? Please Doctor slove our problem....