I had sex the last day of my period which was Feb 27....march 13 I had another period (what I think was a period) and that was way to early I wasn't due for one til mar.23....now it's April and I haven't had no period at all....the only symptoms r increase appitite tiredness and bloating when I eat and major skin itching which I had with last pregnancy...my ? Is what would cause a test to negative and deep down I feel pregnant....I have never had irregular periods or missed any if I wasn't pregnant....any advice