Could it be positivee.!?

On sep. 5 SO and i had sex, and he came inside, and then we still had sex couple more times this month. But, latley i been feeling like am going to vomit, but i dont. I feel sleepy all day. My lower back is killing me. And theres times when i get really bad cramps on my lower adominal side. On friday i saw some blood mixed in with some white gooey stuff when i wiped, amd since then it kinda feels like a uti, but it goes away. Doesnt hurt all day, only for a lil. Do u guys think theres a possability am expecting? Sorry for the long paragraph lol