help!!!!

okay ladies so really random question I had sex on my period the second day to be exact my period stopped the day after I had spotting n then it completely went away now it is a week later and I am sick throwing up at the look n smell of food and tired and headaches n crampy. but when I was pregnant with my first son I puked up every red dye so today I decided get a red Gatorade what do u know I puked it up.. is there any chance I could be pregnant n feeling the symptoms already ?!?