Could i be pregnant

My period havent been on yet for this month it normally b on around the first r second and sometimes it cums around the 11 r 12th idk wats goin on my nipples been sore for three days now been feelin sick pains under my stomach peein a lot the last time i took a test was saturday it was a dollar test it said not pregnant i been havin move swings me and my boyfriend have sex every other night it b a little pain while we are havin sex but the nipple soreness probably cause my periods bout to come on idk wat to do wat do u all think????