I had sex on 17august. Then I had my period from 3september to 7september which is normal heavy flow. Now after two weeks, on 18september, I found out that I got brown / red discharge. Until 21 september morning, it is brown / red discharge. Then in evening, I got white discharge. Since 18september, I lost my appetite and got indigestion. Feeling like excess gas and want to vomit. I also took 4pregnancy test and all are negative. What does that mean? Am I pregnant? I didn t have sex since 17 august.