Throwing up?

Sarah • 19. Rilee Page ❤️ 8Ibs 1oz, 21 inches long 😍 5.25.15
So this morning I was brushing my teeth and I went to brush my teeth  and started gagging then I threw up twice. It was like spitup but like actually throw up. Then I felt like crap the rest of the day. Could this be a symptom? Could I be pregnant