If u have light bleedin one day then next day its mid heavy. Next day its very light next day its light brown next day its light then its off next day its redish brown heavy den nexy day none on the pad but whipe its brown den next day its light next day is off can this be a sign of pregnancy? Then as u sit and wait for your next period to come on you eattin alot,sleepin alot,lower back pain, crampin in yo lower stomach bad,no breast change,no morning sickness but always feel like you goin throw up but don't,frequent urination,mood swings,headaches sometimes,heart burns sometimes,dizziness sometimes. And stomach gets really big after u eat and when u feel boating.You took a pregnancy test and it says you not but took it at nite though.