am i pregnant

Chloé
i had unprotected sex the day before my period started and he didn't cum in me but i took plan b 30 hours after and the day after sex my period started so i took the pill while i was on my period. the pill slowed my period and then went back to heavy flow. now i'm supposedly on my ovulation cycle but i'm having back pain, gassiness, and bloating. please help i'm a hypochondriac who's very scared