 [ Symptoms ] could i be pregnant i have not had my period since november 2013 me and my boyfriend had sex on december 22 and i bled very little during intercourse and still have not gotten my period and have the symptoms of being pregnant like moodiness cravings fatigue nausea dizziness lower back pain i also took two home pregnancy tests and both came back negative [ Disease ] it is time for your to see your medical provider for a thorough examination including a more sensitive blood pregnancy test anytime that a woman is having unprotected sex  not using contraception the chances of pregnancy will never be zero