Alright so i had unprotected sex on July 1st and 2nd. That just a week before my period. I was suppose to start my period on the 11th of this month. But the only thing that happened on the day was when i wipe the was light pink blood (sorry for to much information). Thats what happen the first todays, then the next 2 day it was a meduim flow, and today its a light flow. A day before my period i had protected sex. Three day before that my period i felt like throwing up when i woke up. When I walked around I felt like I was going to throw up... I can eat alot of food which i normally dont eat... I have lost 5 pounds... Could I Be pregnant!???