 [ Symptoms ] i am 4 days late on my period been spotting for 2 days which is not normal for me negative hpts could i be pregnant  last period dec 26 next expected period jan 26 27 today is jan 30th the last 2 days i have filled up estimation of about 13 of a light sized tampon with blood i have had what feels like period cramps i am a super sized tampon girl with my periods so this is out of the normal for me which is why i do not think it is my period could it be implantation bleeding i have taken 3 hpt is and all have came out negative [ Disease ] from my own personal experience stress can cause your period to be off and could cause some early spotting honestly from stress i have not had my period start on the same day for two months in a row and i have also had it skip months before as well also not all hpt are accurate i would suggest that you go to your dr and either have them do the urine test or the blood test to make sure