AM I PREGNANT 😭

i’m having back pain my nips got bigger n bit sensitive n itchy chest hurts not bad like mild feeling but i feel normal like i don’t feel my period coming yk how you at least feel it coming i don’t feel it at all i’ve been sleeping a bit longer than i usually do (on n off) at 8/9dpo felt nauseous af bad but not anymore it stop but feel a bit nauseous now i’m 11dpo now n period 2 days away n yk when it gets that close to period you feel it finna come then another huge thing is i had something similar happened when the first time i found out i was pregnant (basically how i found out i was pregnant was this)...me n my boyfriend yk had sex 2 days ago after wards i went to work my stomach was kinda crampy not fo long tho so got me cause after sex no matter what my stomach never hurts or cramp up 😭 am i pregnant !?