basically, i took my nonhormonal iud out in febuary...ever since then i havent used any form of birth control because im trying to get pregnant...my last normal period was july 25-31...i had unprotected sex on aug 1st and the 9th...aug.17-29 i started to get this brownish looking discharge and got it for the rest of the time that i should have gotten my period...now, almost a week later...ive been feeling really bloated! could i be pregnant?