I Was Took Off The Depo Provera Shot About 2

i was took off the depo provera shot about 2 months ago.. i had unprotected sex. about 4 days later i started my period. my boyfriend did not cum inside of me but i am still scared. my period is very heavy. my breast are really sore and my stomach has craped bad. any tips to calm me down of should i go to the dr?