My last period was jan 10 2011 and I sex jan 15 and sperm actually went inside of me. Lately Ive been feeling nausea,pain on my right side, sleeping , hungry, headache, feeling like I have to throw up but it doesn't comes out, white spot on my nipples while in the shower. My period came on jan 30 -feb2 when I was suppose to come on the 3 and on the 3 it stop. I took a pregnancy test on the 28 or 29 and both said negative. Am I pregnaut