What does spotting look like?

I was supposed to get my period on Monday (21) but started have been getting spotting on Wed (23) and yesterday. It is mostly seen when I am wiping- only yesterday did like 1 inch get on to the pad. But it seems like a lot and I have no benchmark but it is not like my normal period. 
I am usually very consistent and I have been all these symptoms the last week. My Acupunturist felt my pulse of Tuesday and said it felt like something was there, not like I was going to get my period. I took a test on Monday and it was a negative.
I have been spending my days trying to figure out if I am spotting or I am going to get my period. I just want to know and if this isn't my month that is fine and I'll move on. Our plan is to test again tomorrow.

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