Okay i had sex on April 28th, May 1st and May 2nd and they were all unprotected and i havent gotten my period yet this month. Im usually irregular but lately i have been getting it every month but i took a pregnancy test and it came back negative but i feel pregnant my stomach is startin to feel bigger and hard and i get cramps sometimes and i never get cramps when i get my period. Is it possible i could be pregnant? Please help me i need answers and my last period was April 5th and its now May 15th and still no period