Hi, Is It Possible To Get Pregnant Just Right Before

Hi, is it possible to get pregnant just right before your next period is due??? My last period was September 9th 2015 and it ended September 13th 2015. I been taking folic acid for about one month now. I had unprotected intercouse on October 1 and 6 of the month. My next period is suppose to come October 14 or 15. What should a do??