if you have had sex during that period, you very well could be pregnant. Go to the dollar store and pick up a pregnancy test. Test in the morning as it will be more accurate. Keep having unprotected sex and inevitably you will get pregnant. It's only a matter of time.
My last period started February 20th. Now is march 26th and I haven't gotten my period. Could I be pregnant? I know February was a short month and might mess up the cycle date??
Try this pregnancy calculator app through this you came to know about pregnancy week by week ,although due date of pregnancy.