I've been on lo loestrin fe for almost a year and have never ever missed a period. This pill works very well for me. I take my pills at the exact same time everyday and never missed a pill. Every month, my period starts on the brown pills, like normal. A few months ago my boyfriend ejaculated in me, and I still had my period that month. This month, my period hasn't came for the first time. That was the only time my boyfriend ejaculated in me, so why hasn't my period came this month? Could I be pregnant? Or is this normal? I am very sexually active, but never allow my boyfriend to finish in me except that one time a few months ago. Someone please help