Could I be pregnant?

Sarah • 19. Rilee Page ❤️ 8Ibs 1oz, 21 inches long 😍 5.25.15
I BD'd on CD 26, CD 27, CD 32 (these days were in my fertile window it says I ovulated on CD 31 then I had sex on CD 32 and had spotting on CD 34. Could I be pregnant? I've had a little nauseous, sore breasts & in my abdominal it feels heavier. Also some constipation and cramping.