don't feel pregnant

I'm currently trying for my second child with my first when I fell pregnant even before taking a test I felt pregnant. I felt almost like I had a hang over. This month I've had bits of nausea and pelvic pain which I thought could be implant. but it might be tiredness with my 3 year old keeping me up. my period is due in 3 days and usually I have had cramps in the run up but had nothing. took a test today it said negative. so what does everyone think? too early to test or does everyone feel pregnant when you get pregnant? it's driving me mad now ha ha I know it's only the weekend I've got to wait till but time is going sooo slowly