I ve had unprotected sex with my boyfriend three times, the first time we did it, was when I first lost my virginity, he didn t ejaculate that night. The other two times we did it, he used the pull out method, I know the pull out method is not as effective. We did it the day before my period started, and the next day it ended. Two days after I ve felt very bad cramps, in my lower back, my lower abdomen right to left, I ve not felt any breast tenderness nor seen any changes but felt a lil spasms. I ve felt some headaches, and nausea but has not thrown up...am I likely to be pregnant?