My last start period was June 28 and end on July 3. I had unprotected sex in July 19 or 20. later week I'm feeling dizzy, nausea , headache , breasts tender and throw up( gagging), went to bathroom a lot.( pee) eating a lot. In Aug. 3 starting bleeding or spotting ( can't explaining.). While bleeding , I feel gagging and dizzy.it end of aug 6 or 7. . I took the test, it was negative. I'm still have pregnancy symptom. Does that mean I m pregnant?. This is will be my first time.