I am starting to worry I had unprotected sex on the 16th of may and I'm not to sure if it was 2 or 3 weeks later I started to bleed but 4 days before my period should have come it only lasted 4 days also , but I had sore cramps through this time , I have been sleeping non stop , my moods are horrendous ! I can't stand the sight of good anymore , I did have tender breasts not so much now , but just lately I feel like I can't go out as I feel as though I'm about to vomit ! I had to run out a cafe it was that bad , I have taken 5 tests all negative but I only had very very very cheap tests I mean 25p ones is there a chance I could be pregnant ?