So today i was suppose to start my period and yesterday late afternoon i started spotting only when i wiped orangish pinkish well today is the same way but holy omg my left nipple hurts so bad even when its rubbing against my bar i took 4 tests wich all came back neg last week im just so confused i came off the mirina 2 months ago could i be pg an it not picking up yet on a test an is this implantation bleeding even this late in my cycle