HELP 3 weeks and 5 DAYS, are my nerves getting to me?

Liana

First pregnancy, need help!! I am 3 weeks and 5 days today, I generally would be getting my period tomorrow or Tuesday. I know that you can experience spotting during implantation of the uterus lining and that occurs right around the time that you would be gone your next period. I have been experiencing spotting since 5:00 am that I am aware of(urinating about once or twice every two hours.) My spotting has been extremely light to the point where no clothing protection is needed and the color has been very pale pink and once a light brown. my nerves are getting the best of me right now... I don't know if a miscarriage is occurring or I am ok and it's just the normal that can happen during this time of implantation.....Also if this was my normal cycle and I was not pregnant than I would of been putting in a tampon about 8 hours ago! Any help?!?!?!