Hey ladies...im 8 days late and don't know if i'm pregnant, at 5 days late i had sore nipples but it's gone now, and no…

Hey ladies...im 8 days late and don't know if i'm pregnant, at 5 days late i had sore nipples but it's gone now, and no bleeding whatsover i took a test at 6 days late and was negative. I did the bleach test and it fizzed like crazy......so i'm really not sure. Also have been havin light runny tummy for a few days. ??