hi, ive been trying to get pregnat since the summer of 2007 and so far nothing has happend. recently my las period was on the first of january and we had sex on the third day and my period just stoped and went away. usually it lasts about a week so that was odd. and i didnt get my period for february i gained like 5 pounds in a little time so we thought i was pregnat but i already took 2 pregnancy tests one of january and one on february and both of them came out negative. so we would really want to know whats up because we want a baby any tips? i need help!