Diarrhea a symptom? (TMI)

Sarah • 19. Rilee Page ❤️ 8Ibs 1oz, 21 inches long 😍 5.25.15
So have any of you ladies had diarrhea before you for your BFP? I've had diarrhea on and off for about a week and twice I didn't make it to the bathroom. I was wondering of it could be a early sign. I also had light spotting yesterday and sore breasts the past 3 days. Could I be pregnant?& when should I test?