I Thought I Was Pregnant About Six Weeks Ago. Then,

I thought I was pregnant about six weeks ago. Then, a couple of weeks later I had my period or what I your was my period. I have been very fatigued, have frequent cramps and am depressed. My stomach and abdomen in general is very bloated. I have never been this bid. Is it possible I am pregnant? My boyfriend thinks it is possible and I should see my doctor.